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  • Mechanix
    Member
    • Jan 2017
    • 92
    #1

    Server loses connection to proxy

    Hi,

    our monitoring setup consists of one server and 3 proxies. All running 3.2.7

    I have one weird problem with one (passive) proxy: the server establishes a connection to the proxy, sends the configuration but then fails to communicate again: the last seen timer increases.
    This happens with and without a ssl (psk) connection. If i stop the zabbix-proxy service the server says (like it should)

    cannot connect to proxy "123-Proxy": cannot connect to [[10.10.10.10]:10051]: [111] Connection refused

    Sadly this is a production proxy Can someone help me out, or point me to the right direction?

    Much appreciated.

    C.


    P.S. I did a tcpdump on the proxy and I see a lot of traffic comming from the server:
    Code:
    7:48:54.166899 IP xxx.xxx.xxx.xxx.38996 > yyy.yyy.yyy.yyy.zabbix-trapper: Flags [.], ack 24617, win 613, options [nop,nop,TS val 681703908 ecr 19764441], length 0
17:48:54.169074 IP xxx.xxx.xxx.xxx.38996 > yyy.yyy.yyy.yyy.zabbix-trapper: Flags [.], ack 26065, win 636, options [nop,nop,TS val 681703910 ecr 19764443], length 0
17:48:54.169119 IP xxx.xxx.xxx.xxx.38996 > yyy.yyy.yyy.yyy.zabbix-trapper: Flags [.], ack 27513, win 658, options [nop,nop,TS val 681703910 ecr 19764443], length 0
17:48:54.169127 IP xxx.xxx.xxx.xxx.38996 > yyy.yyy.yyy.yyy.zabbix-trapper: Flags [.], ack 28961, win 681, options [nop,nop,TS val 681703911 ecr 19764443], length 0
17:48:54.169762 IP xxx.xxx.xxx.xxx.38996 > yyy.yyy.yyy.yyy.zabbix-trapper: Flags [.], ack 30409, win 704, options [nop,nop,TS val 681703911 ecr 19764443], length 0
17:48:54.170265 IP xxx.xxx.xxx.xxx.38996 > yyy.yyy.yyy.yyy.zabbix-trapper: Flags [.], ack 31857, win 726, options [nop,nop,TS val 681703911 ecr 19764444], length 0
17:48:54.170678 IP xxx.xxx.xxx.xxx.38996 > yyy.yyy.yyy.yyy.zabbix-trapper: Flags [.], ack 33305, win 749, options [nop,nop,TS val 681703912 ecr 19764445], length 0
17:48:54.413745 IP xxx.xxx.xxx.xxx.38996 > yyy.yyy.yyy.yyy.zabbix-trapper: Flags [.], ack 34753, win 772, options [nop,nop,TS val 681704155 ecr 19764687], length 0
17:48:54.415297 IP xxx.xxx.xxx.xxx.38996 > yyy.yyy.yyy.yyy.zabbix-trapper: Flags [.], ack 34753, win 794, options [nop,nop,TS val 681704157 ecr 19764687,nop,nop,sack 1 {36201:37649}], length 0
17:48:54.416274 IP xxx.xxx.xxx.xxx.38996 > yyy.yyy.yyy.yyy.zabbix-trapper: Flags [.], ack 34753, win 817, options [nop,nop,TS val 681704158 ecr 19764687,nop,nop,sack 1 {36201:39097}], length 0
17:48:54.416320 IP xxx.xxx.xxx.xxx.38996 > yyy.yyy.yyy.yyy.zabbix-trapper: Flags [.], ack 34753, win 839, options [nop,nop,TS val 681704158 ecr 19764687,nop,nop,sack 1 {36201:40545}], length 0
17:48:54.416686 IP xxx.xxx.xxx.xxx.38996 > yyy.yyy.yyy.yyy.zabbix-trapper: Flags [.], ack 34753, win 862, options [nop,nop,TS val 681704158 ecr 19764687,nop,nop,sack 1 {36201:41993}], length 0
17:48:54.417371 IP xxx.xxx.xxx.xxx.38996 > yyy.yyy.yyy.yyy.zabbix-trapper: Flags [.], ack 34753, win 885, options [nop,nop,TS val 681704159 ecr 19764687,nop,nop,sack 1 {36201:43441}], length 0
17:48:54.417629 IP xxx.xxx.xxx.xxx.38996 > yyy.yyy.yyy.yyy.zabbix-trapper: Flags [.], ack 34753, win 907, options [nop,nop,TS val 681704159 ecr 19764687,nop,nop,sack 1 {36201:44889}], length 0
17:48:54.418059 IP xxx.xxx.xxx.xxx.38996 > yyy.yyy.yyy.yyy.zabbix-trapper: Flags [.], ack 34753, win 930, options [nop,nop,TS val 681704160 ecr 19764687,nop,nop,sack 1 {36201:46337}], length 0
17:48:54.661691 IP xxx.xxx.xxx.xxx.38996 > yyy.yyy.yyy.yyy.zabbix-trapper: Flags [.], ack 34753, win 953, options [nop,nop,TS val 681704403 ecr 19764687,nop,nop,sack 1 {36201:47785}], length 0
17:48:54.661738 IP xxx.xxx.xxx.xxx.38996 > yyy.yyy.yyy.yyy.zabbix-trapper: Flags [.], ack 34753, win 975, options [nop,nop,TS val 681704403 ecr 19764687,nop,nop,sack 1 {36201:49233}], length 0
17:48:54.663103 IP xxx.xxx.xxx.xxx.38996 > yyy.yyy.yyy.yyy.zabbix-trapper: Flags [.], ack 34753, win 998, options [nop,nop,TS val 681704404 ecr 19764687,nop,nop,sack 1 {36201:50681}], length
    Click image for larger version Name: Network_Monitoring__NNM___Configuration_of_proxies.png Views: 1 Size: 32.7 KB ID: 317984
    Last edited by Mechanix; 04-08-2017, 19:59.
    Tags: None
    • LenR
      Senior Member
      • Sep 2009
      • 1005
      #2
      1: Did it ever work? If so, what changed?

      2: I don't see any replies in your tcpdump, if you didn't filter them out, then the proxy isn't attempting to send anything. Are the server IP's correct in the proxy config to allow it to process those requests?

      3: Anything in the proxy log?

        Comment

        • allexpetrov
          Senior Member
          Zabbix Certified Trainer
          Zabbix Certified SpecialistZabbix Certified Professional
          • May 2017
          • 361
          #3
          Can you perform Telnet to that proxy from your server ?

          Like telnet <serverip> 10051
          Last edited by allexpetrov; 08-08-2017, 13:02.

            Comment

            • Mechanix
              Member
              • Jan 2017
              • 92
              #4
              1: Did it ever work? If so, what changed?
              yes it did, after the upgrade from 3.2.6 to 3.2.7 it stopped after a while.

              2: I don't see any replies in your tcpdump, if you didn't filter them out, then the proxy isn't attempting to send anything. Are the server IP's correct in the proxy config to allow it to process those requests?
              Yes, I could see the reply from the proxy. Obviously, the server established a TLS connection to the server as it complained when I stopped the zabbix-proxy daeomon

              3: Anything in the proxy log?
              Nothing relevant to this issue in the logs :/

              Can you perform Telnet to that proxy from your server ?

              Like telnet <serverip> 10051
              Yes, I could telnet to the port of the proxy.


              After multiple attempts to get this resolved, I re-installed the proxy with the same config files and now it seems to work.

              I can´t figure out what happened after the upgrade as the logs do not show any errors etc.

              weird.

                Comment

                • onallion
                  Senior Member
                  • Mar 2016
                  • 131
                  #5
                  Might want to report this as an upgrade bug.

                    Comment

                    • Mechanix
                      Member
                      • Jan 2017
                      • 92
                      #6
                      Hit happend again right now. TLS connection still established, communication up, telnet from server to proxy 10051 works but Zabbix Server says that proxy was not seen for minutes (and counting) No graphs beeing updated for any devices polled by the proxy

                      Code:
                      [root@sinnvmonpapc05 ~]# tcpdump -i bond0 -n host zabbix-server-IP
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on bond0, link-type EN10MB (Ethernet), capture size 65535 bytes
10:15:56.551268 IP zabbix-server-IP.60848 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 4030647264, win 1405, options [nop,nop,TS val 1172926149 ecr 510986322,nop,nop,sack 1 {2897:4345}], length 0
10:15:56.551308 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.60848: Flags [.], seq 4345:5793, ack 0, win 114, options [nop,nop,TS val 510987072 ecr 1172926149], length 1448
10:15:56.792100 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.60848: Flags [P.], seq 1:1449, ack 0, win 114, options [nop,nop,TS val 510987313 ecr 1172926149], length 1448
10:15:56.926544 IP zabbix-server-IP.60848 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 1, win 1419, options [nop,nop,TS val 1172926524 ecr 510986322,nop,nop,sack 1 {2897:5793}], length 0
10:15:58.024106 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.60848: Flags [P.], seq 1:1449, ack 0, win 114, options [nop,nop,TS val 510988545 ecr 1172926524], length 1448
10:15:58.398389 IP zabbix-server-IP.60848 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 1449, win 1419, options [nop,nop,TS val 1172927996 ecr 510988545,nop,nop,sack 1 {2897:5793}], length 0
10:15:58.398428 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.60848: Flags [.], seq 5793:7241, ack 0, win 114, options [nop,nop,TS val 510988919 ecr 1172927996], length 1448
10:15:58.398440 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.60848: Flags [.], seq 7241:8689, ack 0, win 114, options [nop,nop,TS val 510988919 ecr 1172927996], length 1448
10:15:58.773102 IP zabbix-server-IP.60848 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 1449, win 1419, options [nop,nop,TS val 1172928371 ecr 510988545,nop,nop,sack 1 {2897:7241}], length 0
10:15:58.773140 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.60848: Flags [.], seq 1449:2897, ack 0, win 114, options [nop,nop,TS val 510989294 ecr 1172928371], length 1448
10:15:58.773153 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.60848: Flags [.], seq 7241:8689, ack 0, win 114, options [nop,nop,TS val 510989294 ecr 1172928371], length 1448
10:15:58.773160 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.60848: Flags [P.], seq 8689:10137, ack 0, win 114, options [nop,nop,TS val 510989294 ecr 1172928371], length 1448
10:15:58.773221 IP zabbix-server-IP.60848 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 1449, win 1419, options [nop,nop,TS val 1172928371 ecr 510988545,nop,nop,sack 1 {2897:8689}], length 0
10:15:58.773239 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.60848: Flags [.], seq 10137:11585, ack 0, win 114, options [nop,nop,TS val 510989294 ecr 1172928371], length 1448
10:15:59.147458 IP zabbix-server-IP.60848 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 8689, win 1404, options [nop,nop,TS val 1172928745 ecr 510989294], length 0
10:15:59.147497 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.60848: Flags [.], seq 11585:13033, ack 0, win 114, options [nop,nop,TS val 510989668 ecr 1172928745], length 1448
10:15:59.147512 IP zabbix-server-IP.60848 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 8689, win 1404, options [nop,nop,TS val 1172928745 ecr 510989294,nop,nop,sack 1 {7241:8689}], length 0
10:15:59.147887 IP zabbix-server-IP.60848 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 10137, win 1424, options [nop,nop,TS val 1172928746 ecr 510989294], length 0
10:15:59.147927 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.60848: Flags [.], seq 13033:14481, ack 0, win 114, options [nop,nop,TS val 510989668 ecr 1172928746], length 1448
10:15:59.148291 IP zabbix-server-IP.60848 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 11585, win 1424, options [nop,nop,TS val 1172928746 ecr 510989294], length 0
10:15:59.148342 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.60848: Flags [.], seq 14481:15929, ack 0, win 114, options [nop,nop,TS val 510989669 ecr 1172928746], length 1448
10:15:59.523154 IP zabbix-server-IP.60848 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 11585, win 1424, options [nop,nop,TS val 1172929121 ecr 510989294,nop,nop,sack 1 {13033:14481}], length 0
10:15:59.523177 IP zabbix-server-IP.60848 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 11585, win 1424, options [nop,nop,TS val 1172929121 ecr 510989294,nop,nop,sack 1 {13033:15929}], length 0
10:15:59.523305 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.60848: Flags [.], seq 15929:17377, ack 0, win 114, options [nop,nop,TS val 510990044 ecr 1172929121], length 1448
10:15:59.523330 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.60848: Flags [P.], seq 17377:18825, ack 0, win 114, options [nop,nop,TS val 510990044 ecr 1172929121], length 1448
10:15:59.754081 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.60848: Flags [.], seq 11585:13033, ack 0, win 114, options [nop,nop,TS val 510990275 ecr 1172929121], length 1448
10:15:59.899840 IP zabbix-server-IP.60848 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 11585, win 1424, options [nop,nop,TS val 1172929498 ecr 510989294,nop,nop,sack 1 {13033:17377}], length 0
10:15:59.899866 IP zabbix-server-IP.60848 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 11585, win 1424, options [nop,nop,TS val 1172929498 ecr 510989294,nop,nop,sack 1 {13033:18825}], length 0
10:16:00.128388 IP zabbix-server-IP.60848 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 18825, win 1404, options [nop,nop,TS val 1172929726 ecr 510990275], length 0
10:16:00.128443 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.60848: Flags [.], seq 18825:21721, ack 0, win 114, options [nop,nop,TS val 510990649 ecr 1172929726], length 2896
10:16:00.504186 IP zabbix-server-IP.60848 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 20273, win 1424, options [nop,nop,TS val 1172930101 ecr 510990649], length 0
10:16:00.504284 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.60848: Flags [.], seq 21721:24617, ack 0, win 114, options [nop,nop,TS val 510991025 ecr 1172930101], length 2896
10:16:00.504659 IP zabbix-server-IP.60848 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 21721, win 1424, options [nop,nop,TS val 1172930102 ecr 510990649], length 0
10:16:00.504706 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.60848: Flags [.], seq 24617:26065, ack 0, win 114, options [nop,nop,TS val 510991025 ecr 1172930102], length 1448
10:16:00.881711 IP zabbix-server-IP.60848 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 23169, win 1424, options [nop,nop,TS val 1172930479 ecr 510991025], length 0
10:16:00.881805 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.60848: Flags [.], seq 26065:27513, ack 0, win 114, options [nop,nop,TS val 510991402 ecr 1172930479], length 1448
10:16:00.882175 IP zabbix-server-IP.60848 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 23169, win 1424, options [nop,nop,TS val 1172930480 ecr 510991025,nop,nop,sack 1 {24617:26065}], length 0
10:16:00.882222 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.60848: Flags [.], seq 27513:28961, ack 0, win 114, options [nop,nop,TS val 510991403 ecr 1172930480], length 1448
10:16:01.258460 IP zabbix-server-IP.60848 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 23169, win 1424, options [nop,nop,TS val 1172930856 ecr 510991025,nop,nop,sack 1 {24617:27513}], length 0
10:16:01.258490 IP zabbix-server-IP.60848 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 23169, win 1424, options [nop,nop,TS val 1172930856 ecr 510991025,nop,nop,sack 1 {24617:28961}], length 0
10:16:01.258522 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.60848: Flags [.], seq 23169:24617, ack 0, win 114, options [nop,nop,TS val 510991779 ecr 1172930856], length 1448
10:16:01.258540 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.60848: Flags [.], seq 28961:30409, ack 0, win 114, options [nop,nop,TS val 510991779 ecr 1172930856], length 1448
10:16:01.634551 IP zabbix-server-IP.60848 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 23169, win 1424, options [nop,nop,TS val 1172931232 ecr 510991025,nop,nop,sack 1 {24617:30409}], length 0
10:16:01.634574 IP zabbix-server-IP.60848 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 30409, win 1404, options [nop,nop,TS val 1172931232 ecr 510991779], length 0
10:16:01.634672 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.60848: Flags [.], seq 23169:24617, ack 0, win 114, options [nop,nop,TS val 510992155 ecr 1172931232], length 1448
10:16:01.634697 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.60848: Flags [.], seq 30409:31857, ack 0, win 114, options [nop,nop,TS val 510992155 ecr 1172931232], length 1448
10:16:01.634714 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.60848: Flags [P.], seq 31857:33068, ack 0, win 114, options [nop,nop,TS val 510992155 ecr 1172931232], length 1211
10:16:02.009972 IP zabbix-server-IP.60848 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 30409, win 1424, options [nop,nop,TS val 1172931608 ecr 510991779,nop,nop,sack 1 {23169:24617}], length 0
10:16:02.009997 IP zabbix-server-IP.60848 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 30409, win 1424, options [nop,nop,TS val 1172931608 ecr 510991779,nop,nop,sack 1 {31857:33068}], length 0
10:16:02.220092 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.60848: Flags [.], seq 30409:31857, ack 0, win 114, options [nop,nop,TS val 510992741 ecr 1172931608], length 1448
10:16:02.594297 IP zabbix-server-IP.60848 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 33068, win 1424, options [nop,nop,TS val 1172932192 ecr 510992741], length 0
10:16:02.594478 IP zabbix-server-IP.60848 > zabbix-proxy-IP.zabbix-trapper: Flags [P.], seq 0:85, ack 33068, win 1424, options [nop,nop,TS val 1172932192 ecr 510992741], length 85
10:16:02.594807 IP zabbix-server-IP.60848 > zabbix-proxy-IP.zabbix-trapper: Flags [FP.], seq 85:138, ack 33068, win 1424, options [nop,nop,TS val 1172932193 ecr 510992741], length 53
10:16:02.622436 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.60848: Flags [P.], seq 33068:33121, ack 139, win 114, options [nop,nop,TS val 510993143 ecr 1172932192], length 53
10:16:02.622490 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.60848: Flags [F.], seq 33121, ack 139, win 114, options [nop,nop,TS val 510993143 ecr 1172932192], length 0
10:16:02.622507 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.60848: Flags [R.], seq 33122, ack 139, win 114, options [nop,nop,TS val 510993143 ecr 1172932192], length 0
10:16:02.642274 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [S], seq 2989665615, win 29200, options [mss 1460,sackOK,TS val 1172932240 ecr 0,nop,wscale 7], length 0
10:16:02.642318 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [S.], seq 937517594, ack 2989665616, win 14480, options [mss 1460,sackOK,TS val 510993163 ecr 1172932240,nop,wscale 7], length 0
10:16:02.996130 IP zabbix-server-IP.60848 > zabbix-proxy-IP.zabbix-trapper: Flags [R], seq 2675404242, win 0, length 0
10:16:02.996148 IP zabbix-server-IP.60848 > zabbix-proxy-IP.zabbix-trapper: Flags [R], seq 2675404242, win 0, length 0
10:16:03.642100 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [S.], seq 937517594, ack 2989665616, win 14480, options [mss 1460,sackOK,TS val 510994163 ecr 1172932240,nop,wscale 7], length 0
10:16:03.643693 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [S], seq 2989665615, win 29200, options [mss 1460,sackOK,TS val 1172933242 ecr 0,nop,wscale 7], length 0
10:16:03.643724 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [S.], seq 937517594, ack 2989665616, win 14480, options [mss 1460,sackOK,TS val 510994164 ecr 1172932240,nop,wscale 7], length 0
10:16:04.017935 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 1, win 229, options [nop,nop,TS val 1172933616 ecr 510994164], length 0
10:16:04.017981 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [P.], seq 1:96, ack 1, win 229, options [nop,nop,TS val 1172933616 ecr 510994164], length 95
10:16:04.018002 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], ack 96, win 114, options [nop,nop,TS val 510994538 ecr 1172933616], length 0
10:16:04.018199 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [P.], seq 1:69, ack 96, win 114, options [nop,nop,TS val 510994539 ecr 1172933616], length 68
10:16:04.392396 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 69, win 229, options [nop,nop,TS val 1172933990 ecr 510994539], length 0
10:16:04.392512 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [P.], seq 96:189, ack 69, win 229, options [nop,nop,TS val 1172933990 ecr 510994539], length 93
10:16:04.392871 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [P.], seq 69:144, ack 189, win 114, options [nop,nop,TS val 510994913 ecr 1172933990], length 75
10:16:04.767145 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [P.], seq 189:274, ack 144, win 229, options [nop,nop,TS val 1172934365 ecr 510994913], length 85
10:16:04.782189 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 144:3040, ack 274, win 114, options [nop,nop,TS val 510995303 ecr 1172934365], length 2896
10:16:04.782215 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 3040:5936, ack 274, win 114, options [nop,nop,TS val 510995303 ecr 1172934365], length 2896
10:16:04.782230 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 5936:8832, ack 274, win 114, options [nop,nop,TS val 510995303 ecr 1172934365], length 2896
10:16:04.782241 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 8832:11728, ack 274, win 114, options [nop,nop,TS val 510995303 ecr 1172934365], length 2896
10:16:04.782254 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 11728:14624, ack 274, win 114, options [nop,nop,TS val 510995303 ecr 1172934365], length 2896
10:16:05.157766 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 3040, win 274, options [nop,nop,TS val 1172934755 ecr 510995303], length 0
10:16:05.157803 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [P.], seq 14624:17520, ack 274, win 114, options [nop,nop,TS val 510995678 ecr 1172934755], length 2896
10:16:05.157842 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 17520:18968, ack 274, win 114, options [nop,nop,TS val 510995678 ecr 1172934755], length 1448
10:16:05.158314 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 5936, win 319, options [nop,nop,TS val 1172934756 ecr 510995303], length 0
10:16:05.158339 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 18968:21864, ack 274, win 114, options [nop,nop,TS val 510995679 ecr 1172934756], length 2896
10:16:05.158848 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 8832, win 364, options [nop,nop,TS val 1172934757 ecr 510995303], length 0
10:16:05.158865 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 21864:24760, ack 274, win 114, options [nop,nop,TS val 510995679 ecr 1172934757], length 2896
10:16:05.158873 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 24760:27656, ack 274, win 114, options [nop,nop,TS val 510995679 ecr 1172934757], length 2896
10:16:05.160718 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 8832, win 387, options [nop,nop,TS val 1172934759 ecr 510995303,nop,nop,sack 1 {13176:14624}], length 0
10:16:05.160757 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 27656:29104, ack 274, win 114, options [nop,nop,TS val 510995681 ecr 1172934759], length 1448
10:16:05.532451 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 8832, win 410, options [nop,nop,TS val 1172935130 ecr 510995303,nop,nop,sack 1 {13176:16072}], length 0
10:16:05.532489 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 8832:10280, ack 274, win 114, options [nop,nop,TS val 510996053 ecr 1172935130], length 1448
10:16:05.532503 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 8832, win 432, options [nop,nop,TS val 1172935131 ecr 510995303,nop,nop,sack 1 {13176:17520}], length 0
10:16:05.532729 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 8832, win 455, options [nop,nop,TS val 1172935131 ecr 510995303,nop,nop,sack 1 {13176:18968}], length 0
10:16:05.532766 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 10280:11728, ack 274, win 114, options [nop,nop,TS val 510996053 ecr 1172935131], length 1448
10:16:05.533161 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 8832, win 477, options [nop,nop,TS val 1172935131 ecr 510995303,nop,nop,sack 1 {13176:20416}], length 0
10:16:05.533187 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 11728:13176, ack 274, win 114, options [nop,nop,TS val 510996054 ecr 1172935131], length 1448
10:16:05.533606 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 8832, win 500, options [nop,nop,TS val 1172935132 ecr 510995303,nop,nop,sack 1 {13176:21864}], length 0
10:16:05.533644 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 29104:30552, ack 274, win 114, options [nop,nop,TS val 510996054 ecr 1172935132], length 1448
10:16:05.534257 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 8832, win 523, options [nop,nop,TS val 1172935132 ecr 510995303,nop,nop,sack 1 {13176:23312}], length 0
10:16:05.534295 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 30552:32000, ack 274, win 114, options [nop,nop,TS val 510996055 ecr 1172935132], length 1448
10:16:05.535356 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 8832, win 545, options [nop,nop,TS val 1172935133 ecr 510995303,nop,nop,sack 1 {13176:24760}], length 0
10:16:05.535393 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 32000:33448, ack 274, win 114, options [nop,nop,TS val 510996056 ecr 1172935133], length 1448
10:16:05.536454 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 8832, win 568, options [nop,nop,TS val 1172935134 ecr 510995303,nop,nop,sack 2 {27656:29104}{13176:24760}], length 0
10:16:05.536491 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 33448:34896, ack 274, win 114, options [nop,nop,TS val 510996057 ecr 1172935134], length 1448
10:16:05.906816 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 10280, win 591, options [nop,nop,TS val 1172935505 ecr 510996053,nop,nop,sack 2 {27656:29104}{13176:24760}], length 0
10:16:05.906854 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 34896:36344, ack 274, win 114, options [nop,nop,TS val 510996427 ecr 1172935505], length 1448
10:16:05.906865 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 11728, win 613, options [nop,nop,TS val 1172935505 ecr 510996053,nop,nop,sack 2 {27656:29104}{13176:24760}], length 0
10:16:05.906876 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 36344:37792, ack 274, win 114, options [nop,nop,TS val 510996427 ecr 1172935505], length 1448
10:16:05.907654 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 11728, win 636, options [nop,nop,TS val 1172935506 ecr 510996053,nop,nop,sack 2 {27656:30552}{13176:24760}], length 0
10:16:05.907691 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 11728:13176, ack 274, win 114, options [nop,nop,TS val 510996428 ecr 1172935506], length 1448
10:16:05.907706 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 37792:39240, ack 274, win 114, options [nop,nop,TS val 510996428 ecr 1172935506], length 1448
10:16:05.908457 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 11728, win 658, options [nop,nop,TS val 1172935506 ecr 510996053,nop,nop,sack 2 {27656:32000}{13176:24760}], length 0
10:16:05.908495 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 24760:26208, ack 274, win 114, options [nop,nop,TS val 510996429 ecr 1172935506], length 1448
10:16:05.908506 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 26208:27656, ack 274, win 114, options [nop,nop,TS val 510996429 ecr 1172935506], length 1448
10:16:05.909641 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 11728, win 681, options [nop,nop,TS val 1172935508 ecr 510996053,nop,nop,sack 2 {27656:33448}{13176:24760}], length 0
10:16:05.909678 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [P.], seq 39240:42136, ack 274, win 114, options [nop,nop,TS val 510996430 ecr 1172935508], length 2896
10:16:05.910682 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 11728, win 704, options [nop,nop,TS val 1172935509 ecr 510996053,nop,nop,sack 2 {27656:34896}{13176:24760}], length 0
10:16:06.282528 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 11728, win 726, options [nop,nop,TS val 1172935880 ecr 510996053,nop,nop,sack 3 {36344:37792}{27656:34896}{13176:24760}], length 0
10:16:06.282562 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 34896:36344, ack 274, win 114, options [nop,nop,TS val 510996803 ecr 1172935880], length 1448
10:16:06.290038 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 24760, win 749, options [nop,nop,TS val 1172935888 ecr 510996428,nop,nop,sack 2 {36344:37792}{27656:34896}], length 0
10:16:06.290075 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 24760, win 772, options [nop,nop,TS val 1172935888 ecr 510996428,nop,nop,sack 2 {36344:39240}{27656:34896}], length 0
10:16:06.290091 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 24760, win 794, options [nop,nop,TS val 1172935888 ecr 510996428,nop,nop,sack 2 {26208:34896}{36344:39240}], length 0
10:16:06.290098 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 34896, win 817, options [nop,nop,TS val 1172935888 ecr 510996429,nop,nop,sack 1 {36344:39240}], length 0
10:16:06.290107 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 42136:45032, ack 274, win 114, options [nop,nop,TS val 510996811 ecr 1172935888], length 2896
10:16:06.290155 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 45032:47928, ack 274, win 114, options [nop,nop,TS val 510996811 ecr 1172935888], length 2896
10:16:06.290177 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 47928:49376, ack 274, win 114, options [nop,nop,TS val 510996811 ecr 1172935888], length 1448
10:16:06.291990 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 34896, win 839, options [nop,nop,TS val 1172935888 ecr 510996429,nop,nop,sack 2 {40688:42136}{36344:39240}], length 0
10:16:06.292029 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 49376:50824, ack 274, win 114, options [nop,nop,TS val 510996812 ecr 1172935888], length 1448
10:16:06.292039 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 34896, win 862, options [nop,nop,TS val 1172935888 ecr 510996429,nop,nop,sack 1 {36344:42136}], length 0
10:16:06.292052 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 50824:52272, ack 274, win 114, options [nop,nop,TS val 510996812 ecr 1172935888], length 1448
10:16:06.657003 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 42136, win 885, options [nop,nop,TS val 1172936255 ecr 510996803], length 0
10:16:06.664580 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 42136, win 907, options [nop,nop,TS val 1172936262 ecr 510996803,nop,nop,sack 1 {43584:45032}], length 0
10:16:06.665790 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 42136, win 930, options [nop,nop,TS val 1172936264 ecr 510996803,nop,nop,sack 2 {46480:47928}{43584:45032}], length 0
10:16:06.665818 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 42136:43584, ack 274, win 114, options [nop,nop,TS val 510997186 ecr 1172936264], length 1448
10:16:06.665834 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 52272:53720, ack 274, win 114, options [nop,nop,TS val 510997186 ecr 1172936264], length 1448
10:16:06.665843 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 42136, win 953, options [nop,nop,TS val 1172936264 ecr 510996803,nop,nop,sack 2 {46480:49376}{43584:45032}], length 0
10:16:06.665860 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 53720:55168, ack 274, win 114, options [nop,nop,TS val 510997186 ecr 1172936264], length 1448
10:16:06.666818 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 42136, win 975, options [nop,nop,TS val 1172936265 ecr 510996803,nop,nop,sack 3 {50824:52272}{46480:49376}{43584:45032}], length 0
10:16:06.666853 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 45032:46480, ack 274, win 114, options [nop,nop,TS val 510997187 ecr 1172936265], length 1448
10:16:06.666867 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 55168:56616, ack 274, win 114, options [nop,nop,TS val 510997187 ecr 1172936265], length 1448
10:16:06.666872 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 42136, win 998, options [nop,nop,TS val 1172936265 ecr 510996803,nop,nop,sack 2 {46480:52272}{43584:45032}], length 0
10:16:06.666885 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 56616:58064, ack 274, win 114, options [nop,nop,TS val 510997187 ecr 1172936265], length 1448
10:16:07.040555 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 45032, win 1020, options [nop,nop,TS val 1172936638 ecr 510997186,nop,nop,sack 1 {46480:52272}], length 0
10:16:07.040595 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 58064:59512, ack 274, win 114, options [nop,nop,TS val 510997561 ecr 1172936638], length 1448
10:16:07.040713 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 45032, win 1043, options [nop,nop,TS val 1172936639 ecr 510997186,nop,nop,sack 1 {46480:53720}], length 0
10:16:07.040734 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 59512:60960, ack 274, win 114, options [nop,nop,TS val 510997561 ecr 1172936639], length 1448
10:16:07.041001 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 45032, win 1066, options [nop,nop,TS val 1172936639 ecr 510997186,nop,nop,sack 1 {46480:55168}], length 0
10:16:07.041018 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 60960:62408, ack 274, win 114, options [nop,nop,TS val 510997561 ecr 1172936639], length 1448
10:16:07.041211 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 55168, win 1088, options [nop,nop,TS val 1172936639 ecr 510997187], length 0
10:16:07.041236 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 62408:63856, ack 274, win 114, options [nop,nop,TS val 510997562 ecr 1172936639], length 1448
10:16:07.042231 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 55168, win 1111, options [nop,nop,TS val 1172936640 ecr 510997187,nop,nop,sack 1 {56616:58064}], length 0
10:16:07.042255 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 63856:65304, ack 274, win 114, options [nop,nop,TS val 510997563 ecr 1172936640], length 1448
10:16:07.414323 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 55168, win 1134, options [nop,nop,TS val 1172937012 ecr 510997187,nop,nop,sack 1 {56616:59512}], length 0
10:16:07.414360 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 65304:66752, ack 274, win 114, options [nop,nop,TS val 510997935 ecr 1172937012], length 1448
10:16:07.414370 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 55168, win 1156, options [nop,nop,TS val 1172937012 ecr 510997187,nop,nop,sack 1 {56616:60960}], length 0
10:16:07.414381 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 55168:56616, ack 274, win 114, options [nop,nop,TS val 510997935 ecr 1172937012], length 1448
10:16:07.414784 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 55168, win 1179, options [nop,nop,TS val 1172937013 ecr 510997187,nop,nop,sack 1 {56616:62408}], length 0
10:16:07.416343 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 55168, win 1201, options [nop,nop,TS val 1172937014 ecr 510997187,nop,nop,sack 1 {56616:63856}], length 0
10:16:07.416382 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 66752:68200, ack 274, win 114, options [nop,nop,TS val 510997937 ecr 1172937014], length 1448
10:16:07.417459 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 55168, win 1224, options [nop,nop,TS val 1172937015 ecr 510997187,nop,nop,sack 1 {56616:65304}], length 0
10:16:07.417496 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 68200:69648, ack 274, win 114, options [nop,nop,TS val 510997938 ecr 1172937015], length 1448
10:16:07.789195 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 55168, win 1247, options [nop,nop,TS val 1172937387 ecr 510997187,nop,nop,sack 1 {56616:66752}], length 0
10:16:07.789240 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 69648:71096, ack 274, win 114, options [nop,nop,TS val 510998310 ecr 1172937387], length 1448
10:16:07.789252 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 66752, win 1269, options [nop,nop,TS val 1172937387 ecr 510997935], length 0
10:16:07.789267 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 71096:72544, ack 274, win 114, options [nop,nop,TS val 510998310 ecr 1172937387], length 1448
10:16:07.790104 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 68200, win 1292, options [nop,nop,TS val 1172937388 ecr 510997937], length 0
10:16:07.790131 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [P.], seq 72544:75440, ack 274, win 114, options [nop,nop,TS val 510998311 ecr 1172937388], length 2896
10:16:07.791628 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 69648, win 1315, options [nop,nop,TS val 1172937390 ecr 510997938], length 0
10:16:08.163364 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 71096, win 1337, options [nop,nop,TS val 1172937761 ecr 510998310], length 0
10:16:08.163390 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 72544, win 1360, options [nop,nop,TS val 1172937761 ecr 510998310], length 0
10:16:08.163419 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 75440:78336, ack 274, win 114, options [nop,nop,TS val 510998684 ecr 1172937761], length 2896
10:16:08.164232 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 73992, win 1382, options [nop,nop,TS val 1172937762 ecr 510998311], length 0
10:16:08.164251 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 75440, win 1405, options [nop,nop,TS val 1172937762 ecr 510998311], length 0
10:16:08.164264 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 78336:81232, ack 274, win 114, options [nop,nop,TS val 510998685 ecr 1172937762], length 2896
10:16:08.539507 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 76888, win 1424, options [nop,nop,TS val 1172938137 ecr 510998684], length 0
10:16:08.539532 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 78336, win 1424, options [nop,nop,TS val 1172938137 ecr 510998684], length 0
10:16:08.539559 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 81232:84128, ack 274, win 114, options [nop,nop,TS val 510999060 ecr 1172938137], length 2896
10:16:08.540021 IP zabbix-server-IP.32898 > zabbix-proxy-IP.zabbix-trapper: Flags [.], ack 78336, win 1424, options [nop,nop,TS val 1172938138 ecr 510998684,nop,nop,sack 1 {79784:81232}], length 0
10:16:08.540061 IP zabbix-proxy-IP.zabbix-trapper > zabbix-server-IP.32898: Flags [.], seq 84128:87024, ack 274, win 114, options [nop,nop,TS val 510999061 ecr 1172938138], length 2896

                        Comment

                        • Mechanix
                          Member
                          • Jan 2017
                          • 92
                          #7
                          For reference I´ve opened a ticket:

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                          https://support.zabbix.com/browse/ZBX-12501

                            Comment

                            • vso
                              Zabbix developer
                              • Aug 2016
                              • 190
                              #8
                              Please post you proxy configuration file are you sure it is setup as passive proxy ? I see log entry of data sender, which should be active proxy

                                Comment

                                • Mechanix
                                  Member
                                  • Jan 2017
                                  • 92
                                  #9
                                  I found the culprit. SElinux was upgraded during the last patch process and became active afterwards. Embarrassing.

                                    Comment

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