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error=”Timeout while reading response from Server

Sushovan Sarkar
We are facing some issue one of official web side, when we try to open the page is display white page or sum time error=”Timeout while reading response from Server" but when we use to open that page by using DONGLE it's working fine.
 
firmware version to 16.05.05 (MR5)


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  • 0

    Hi,

    please provide details about your firewall rules.

    Also if you are business you should involve your reseller or sophos partner.

     

  • 0

    HI Sushovan,

    Check #1 in my troubleshooting guide, what reason do you see in the drop packet capture logs when the connection times out and which firewall rule ID forwards the traffic? Show me few lines from the logs and the picture of the rule.

    Thanks

  • 0

    Hi Sushovan ,

    Are you experiencing the issue for some sites or some particular ones? Please follow the guidelines the troubleshoot this issue.

    Create a rule on the top most position for a single host address you wish to test with the policy Allow all on both Application / Web filter and IPS set to default. 

    If resolved, you may need to check the Log viewer using the URL and the host address of the website to identify the component responsible for it.  If not you may check using None Policy and test the website again. 

    If not you may check using None Policy for Application/ Web filter and test the website again. If it resolved this issue, you may check if scanning is the cause or not. If so then you may add a bypass for this website or create an FQDN rule .  as per Kb article https://sophos.com/kb/123035 

    The next step is to check if it really works with your ISP , as you have checked with another ISP i.e. Dongle that does not mean the primary ISP is out of the equation. If it works please port the packet capture of the traffic with the website.

    Command in the console using SSH or Telnet. 

    console>tcpdump 'host <URL i.e. www.123asd.com> 

    Output:

  • 0

    Thanks for the help, we create a rule on the top most position LAN-ANY-WAN (FQDN) policy Allow all on both Application / Web filter and IPS set to default and it's working.