Browser plugins cannot connect to keepasshtml

[Aquazone]

Hello,

I am successfully and happily using KeePass on my windows machines, so I now tried to install the software on my linux machine as well, running CentOS 6.9 (32-bit).

I installed all software components from the standard repositories, so the version may not be actual:

• KeePassX 2.0.3
• Mono 4.2.4
• KeePassHttp.plgx plugin 1.8.4.2
• chromeIPass 2.8.1 on Chrome 31.0.1650.63 Built from source for CentOS release 6.5 (Final) (238485)
• KeePassHttp-Connector 1.0.9. on Firefox ESR 52.6.0 (32-Bit)

KeePass and the keepasshttp plugin have been copied to /usr/bin, with permissions set to 644.
Standalone, KeePass runs fine and I can access my passwords and stuff stored in the database file.

But the plugin does not work, neither in Chrome nor in Firefox. When I click "Connect" it keeps telling me "Is KeePassHttp installed and is KeePass running?"

KeePass is running, as can be confirmed by ps. The browser plugin is running too. So I assume that either the browser plugin cannot find or communicate with KeePassHttp or, KeePassHttp itself cannot find or communicate with KeePass itself. I hope it's not both.

I have no idea how to find logs or something to start troubleshooting the issue. Maybe someone here can give me a helping hand and point to where to start? I'm no developer, so please be patient.

Kind regards,
Aquazone