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    RDP/SSH disconnection with squid + icmp passthrough issue

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    • G
      genseb
      last edited by genseb

      Hi,

      I've configured Pfsense with Squid (Transparent Mode + SSL splice all) and captive portal on only one interface WAN

      (Computer) ==============> WAN (Pfsense) WAN ================> (router) 
      

      Pfsense sets as computer GW and Router sets as Pfsense GW

      So all traffic pass through Pfsense.

      Squid logs fine and captive portal login page is well displayed and works. I can connect.

      I'm currently encountering 2 issues.

      The first one is that every minute, I can see that a disconnection happens on my RDP, SSH connection. So on ssh, I have to reconnect every minute...

      The second "issue", is that when I enable captive portal, when I try to ping from my computer, request failed.
      When I disable Captive Portal (Squid still working) I receive ping response.

      I also notice that after several minutes of use, I need to suppress my connection in Status > Captive Portal because I receive web page error, more and more, until I restart.

      Thanks for your help and suggestion.

      Pfsense version: 2.4.4

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      • G
        genseb
        last edited by genseb

        Hi,

        I've made lot of tests but my issue still pending.

        What I've tried:

        -check "Clear invalid DF bits instead of dropping the packets"
        -Firewall Optimization options ==> Conservative
        -Check "Disables the PF scrubbing option which can sometimes interfere with NFS traffic."
        -Check "By pass firewall rules for traffic on the same interface"
        -Check "Do not kill connections when schedule expires"
        -Check "Disable Gateway Monitoring"
        -Uncheck "Flush all states when a gateway goes down"

        Result:
        SSH connection still disconnect but after 15 minutes (instead of every 1 minute)
        RDP still disconnect
        Still can't ping through pfsense

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        • G
          genseb
          last edited by

          Hi,

          It seems that issue was that we use only 1 NIC (as WAN)

          Since we've installed a second NIC and defined 1 NIC as WAN and the second as LAN, everything works well!

          Seb

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