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Beginner

Proxy denying connection but not giving reason

We are trying to connect to our slack instance but we are getting the following error..

 

Sep 5 19:02:40 host SyslogAccess: Info: 1504638160.662 4 10.137.144.175 TCP_DENIED/407 0 CONNECT tunnel://xxxx.slack.com:443/ - NONE/- - OTHER-NONE-VPN_Users-NONE-NONE-NONE-NONE <-,-,-,"-",-,-,-,-,"-",-,-,-,"-",-,-,"-","-",-,-,-,-,"-","-","-","-","-","-",0.00,0,-,"-","-",-,"-",-,-,"-","-"> -

 

Why am I not getting any details on why it is denying the connection?

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VIP Advisor

Re: Proxy denying connection but not giving reason

Check the logs settings, depends on how you configure your log settings.

 

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Beginner

Re: Proxy denying connection but not giving reason

As per the access logs - TCP_DENIED/407 mean, it needs user authentication for allowing it in the proxy.

Are you accessing this via any application or Web browser ?

 

If its an application - please check the proxy configuration to add user ID and password for proxy auth.

 

Note : Some cases you might notice TCP_DENIED/407 and followed by TCP_MISS/200 - then that traffic is allowed in the proxy.