the teamviewer host software is installed on all machines in my network. I configured the firewall's IP as proxy server and entered the credentials of a user with no web surfing restrictions. Since UTM 9.1 Teamviewer is only working randomly. Sometimes it asks for a proxy user and password and refuses them, sometimes it says "Check your internet connection" and sometimes Teamviewer is working.
The following steps didn't improve the situation:
- Open 5938/tcp to the internet
- Creating a webfilter exception with the following content:
Authentifizierung / Zwischenspeichern / Antivirus / Dateierweiterungen / MIME-Typ / URL-Filter / Inhaltsentfernung / SSL-Scan / Zertifikat-Vertrauensprüfung / Zertifikatsdatumsprüfung
for URLs
dyngate .com
92.51.171.70
^http://.*/din.aspx.*DynGate.*
^http://.*/dout.aspx.*DynGate.*
^http.?://.*teamviewer.com.*
^http.?://.*teamviewer.de.* - Adding and removing a valid proxy user from Teamviewer's configuration.
It seems that the requests are covered by the exception (see below) but the connection doesn't work.
2013:08:20-11:37:06 ASG-1 httpproxy[5792]: id="0001" severity="info" sys="SecureWeb" sub="http" name="http access" action="pass" method="CONNECT" srcip="192.168.1.18" dstip="178.77.120.6" user="" statuscode="200" cached="0" profile="REF_LFxaKhArSL (LDAP)" filteraction="REF_DefaultHTTPCFFAction (Default content filter action)" size="631" request="0x14778968" url="master1.teamviewer.com/" exceptions="av,auth,content,url,ssl,certcheck,certdate,mime,cache,fileextension" error=""
If I create an exception with the PC's IP it works without any problems.
Can anyone help me?
Cheers,
Marc
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