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**elpengo** · 2026-05-06T07:24:27+00:00

Hello,

I had mostly the same issue on debian 13 as the frontend url shows php sources and figured out that the package in cause seems to be zabbix-apache-conf 7.0.26.

The package await a php-fpm installation and not a "classic" apache with mod_php (MPM Prefork) while installing its own conf file /etc/apache2/conf-available/zabbix.conf

Code:

<FilesMatch \.(php|phar)$>
        SetHandler "proxy:unix:/var/run/php/zabbix.sock|fcgi://localhost"
</FilesMatch>

If you have your own vhost configuration to serve zabbix frontend, disabling the zabbix package configuration via this apache command fix the problem :

Code:

a2disconf zabbix && systemctl reload apache2

**svbuser** · 2026-05-06T09:41:18+00:00

my solution was

a2enmod proxy
a2enmod proxy_fcgi
apt install php8.1-fpm
nano /etc/apache2/conf-enabled/zabbix.conf
systemctl restart apache2

in zabbix.conf

-- proxy:unix:/var/run/php/zabbix.sock|fcgi://localhost
++ proxy:unix:/var/run/php/php8.1-fpm.sock|fcgi://localhost

**Antimidas** · 2026-05-06T13:56:05+00:00

I have had nothing but problems with the upgrade of just the front-end to 7.0.26 on Ubuntu 22.04.5 LTS. I was able to restore prior snapshots on the Nutanix which got me back. I have three front-end servers running in HA mode along wiht three Zabbix Server installations in cluster with pacemaker/corosync and three DB servers with a master/slave round robin. svbuser - Do you just have just one server, or multiple? Can you confirm your fix worked to get it running?

With the HA enabled, I have a feeling I will need to set up a test environment before moving to this version. Otherwise, I will need to wait and hope a later version fixes this issue. I really don't look forward to rebuilding all 9 servers for something that appears to be a small issue triggering the problem with a minor version update.

**bebe** · 2026-05-06T14:43:50+00:00

"just" installing php-fpm is not a real fix and could break other web-sites running on this apache2 instance, so be careful.
The same issue applies to 7.4.10. 7.4.9 was ok.

There were significant changes in the file /etc/zabbix/apache.conf which were not mentioned in the upgrade notes and are breaking existing installations.

**Antimidas** · 2026-05-06T14:52:42+00:00

bebe - Do you have a documented process of what needs to be configured in the /etc/zabbix/apache.conf file to make it work? Or would it be best to set up a test box with 7.0.26 and do a file compare between the two iterations? Seems like a lot of work for what is supposed to be a minor update. I wish the release notes would have mentioned all of the changes -- especially since they affect the configuration files and installation of php_fpm instead of mod_php. That seems like a dramatic change that should be documented somewhere.

**bebe** · 2026-05-06T15:28:06+00:00

I think this is a bug and was not intended.
You could revert the content of the file and take the content from the previous version. Just extract the content of the .deb files to get the differences.

URLs:

Zabbix 7.0 - Ubuntu 22.04 packages:
last working version: https://repo.zabbix.com/zabbix/7.0/u...u22.04_all.deb
newest (NOT working): https://repo.zabbix.com/zabbix/7.0/u...u22.04_all.deb

Zabbix 7.0 - Ubuntu 24.04 packages:
last working version: https://repo.zabbix.com/zabbix/7.0/u...u24.04_all.deb
newest (NOT working): https://repo.zabbix.com/zabbix/7.0/u...u24.04_all.deb

Zabbix 7.4 - Ubuntu 22.04 packages
last working version: https://repo.zabbix.com/zabbix/7.4/s...u22.04_all.deb
newest (NOT working): https://repo.zabbix.com/zabbix/7.4/s...u22.04_all.deb

Zabbix 7.4 - Ubuntu 24.04 packages
last working version: https://repo.zabbix.com/zabbix/7.4/s...u24.04_all.deb
newest (NOT working): https://repo.zabbix.com/zabbix/7.4/s...u24.04_all.deb

**Antimidas** · 2026-05-06T17:32:48+00:00

Since it is an LTS release, I am hoping that the devs notice that people are having issues and get a patch published sooner than they would on the bleeding edge releases. I think I will turn off my automated maintenance plan and stick with 70.25 rather than spending a lot of time digging in to it.

Thanks for the pointers and assistance, however. It is very much appreciated. If I have a chance after my weekend maintenance (and they have not yet fixed it), I might spend next week building out a test-bed since the boss is on vacation for a couple of weeks.

**steingat** · 2026-05-06T20:52:33+00:00

Originally posted by svbuser

my solution was

a2enmod proxy
a2enmod proxy_fcgi
apt install php8.1-fpm
nano /etc/apache2/conf-enabled/zabbix.conf
systemctl restart apache2

in zabbix.conf

-- proxy:unix:/var/run/php/zabbix.sock|fcgi://localhost
++ proxy:unix:/var/run/php/php8.1-fpm.sock|fcgi://localhost

Ya, that is what i suspected as php8.1-fpm was not installed for me either. I missed the Zabbix.conf portion. Thank you. However, I think i will wait for the next patch incase this change breaks things moving forward.

**steingat** · 2026-05-06T21:07:44+00:00

Looks like someone has reported the problem as a bug.

Loading...

https://support.zabbix.com/browse/ZBX-27764

**sperkins74** · 2026-05-07T07:45:09+00:00

hello

I reported this in a another section for zabbix 7 + debian 13

Commenting out the below is "good enough" and from i read here should be quite ok

/etc/zabbixapache.conf

ProxyTimeout 300

and

<FilesMatch \.(php|phar)$>
SetHandler "proxy:unix:/var/run/php/zabbix.sock|fcgi://localhost"
</FilesMatch>

and restart apache2

**sperkins74** · 2026-05-07T07:51:21+00:00

I also experienced odd php config errors on the dashboard, i have found the pre change zabbix.conf which explains that too

here it is

# Define /zabbix alias, this is the default
<IfModule mod_alias.c>
Alias /zabbix /usr/share/zabbix
</IfModule>

<Directory "/usr/share/zabbix">
Options FollowSymLinks
AllowOverride None
Order allow,deny
Allow from all

<IfModule mod_php.c>
php_value max_execution_time 300
php_value memory_limit 128M
php_value post_max_size 16M
php_value upload_max_filesize 2M
php_value max_input_time 300
php_value max_input_vars 10000
php_value always_populate_raw_post_data -1
</IfModule>

<IfModule mod_php7.c>
php_value max_execution_time 300
php_value memory_limit 128M
php_value post_max_size 16M
php_value upload_max_filesize 2M
php_value max_input_time 300
php_value max_input_vars 10000
php_value always_populate_raw_post_data -1
</IfModule>
</Directory>

<Directory "/usr/share/zabbix/conf">
Order deny,allow
Deny from all
<files *.php>
Order deny,allow
Deny from all
</files>
</Directory>

<Directory "/usr/share/zabbix/app">
Order deny,allow
Deny from all
<files *.php>
Order deny,allow
Deny from all
</files>
</Directory>

<Directory "/usr/share/zabbix/include">
Order deny,allow
Deny from all
<files *.php>
Order deny,allow
Deny from all
</files>
</Directory>

<Directory "/usr/share/zabbix/local">
Order deny,allow
Deny from all
<files *.php>
Order deny,allow
Deny from all
</files>
</Directory>

<Directory "/usr/share/zabbix/vendor">
Order deny,allow
Deny from all
<files *.php>
Order deny,allow
Deny from all
</files>
</Directory>

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