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User Report that they can not access Port 80 when dialling in via SSL-VPn

BerndFeist

Hello,

some of my users report that they can not acces Port 80 of a webserver when dialled in via SSL-VPN.

When this is happening I see some strange entries in the logfile. 



Hovever I was not able to reproduce it by myself:



Any Idea what might be the issue? How can this be resolved?

Best regards,
BF



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    Likely this is a Application issue. 

    The firewall is allowing the traffic, the server or client is closing the session and generating multiple RST/FIN packets, which leads to this invalid traffic. This is not an issue, instead you should look at the app. 

    Maybe you can workaround this with a SNAT (MASQ).

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  • 0

    Likely this is a Application issue. 

    The firewall is allowing the traffic, the server or client is closing the session and generating multiple RST/FIN packets, which leads to this invalid traffic. This is not an issue, instead you should look at the app. 

    Maybe you can workaround this with a SNAT (MASQ).

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