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  • Gzip compressed JSON data HTTP delivery and decompression issue

    One of our client is using Sophos Security software. They are experiencing a peculiar issue with our web applications. Our static web application is deployed on a server but a few JSON format data file arrives from an external AWS S3 bucket. The JSON…
  • XG Firewall 17.1.2 Blocking Microsoft Office Deployment Tool Downloads - Shows Invalid TCP RST in Log

    NOTE: This looks to be the same issue as https://community.sophos.com/products/xg-firewall/f/firewall-and-policies/100393/invalid-tcp-rst/372613 but in that thread people are saying this error message is normal. It is NOT and although the log entry might…
  • Corrupted HTTP response

    Hi We are experiencing corrupted HTTP responses while consuming web-services. Our application do thousands of requests to a remote database; the requests are made with SOAP protocol and the result is an XML document. The channel is an unsecure HTTP…
  • Apt-get update Problem

    Hi i Have Install a XG 125 and have since than the Problem for update my Linux Server this error become. I check on other System is this Problem a Debian Problem and I find nothing. I think the Problem is the Proxy of Sophos. I want Exeption create…
  • All http traffic blocked + unable to update firmware or paterns

    Hello, I have a problem on a XG135 of a custommer. I wanted to upate it on V17 MR8 from MR6 this week end, and I scheduled it from my SFM. I scheduled 10 firewalls and only this xg135 failed. So I connected on GUI and tried a manual update but still…
  • [Fresh From the Press: Latest KB's] Sophos XG Firewall: How to allow Skype for Business through the firewall

    Hey Community, Because Microsoft uses non standard HTTP/HTTPS connections the Sophos XG Firewall's HTTP scanning feature has the potential to prevent Skype for business from working or may cause random call drops. This KB article explains how to allow…
  • Poor detection rate of web filtering - caused by wrong categorization or stay many websites uncategorized?

    FormerMember
    FormerMember
    Hi, XG has an poor detection rate in webfiltering, e.g. when trying to open websites of denied web categories like "nudity" or trying to open malware infected pages. Is this caused by putting new websites in wrong web categories, or is this because…
  • Sandstorm on Sophos XG v16.05 GA problem?

    Hi, i am testing the v16.05 GA for use the sandstorm you have any luck with this feature? i activate the http/https scan and Detect zero-day threats with Sandstorm and i get in all pages error 500 o 502 Thanks...
  • Is it possible to use short DNS names, or to set up a search domain

    I have a problem loading some internal Web pages when I am using short DNS names and have Scan HTTP enabled. For example if I try to open http://server1 it will give me an HTTP Error 502, everything is working fine if the full name is used http://server1…
  • HTTP exception

    Hello After upgrading to the latest version on my home version of Sophos xg (16.01.2), there are different webpages that are only partly accessible anymore. For example www.blick.ch. all Youtube Movies are blocked and also other content can be a problem…
  • HTTP 502 with scan http enabled on VPN connections only

    Hello, While remotely connected, I encounter an issue browsing internal resources on port 80 and 80 only. I receive an HTTP error 502 and this happen when the firewall rule for the VPN connection has the "Scan HTTP" option activated. If the option is…
  • HTTP and majority of HTTPS returns 502 error or will not connect

    Hi there, Twice in three days I've had a network issue caused by Sophos XG210 and I would like some feedback on how to prevent it re-occurring or, at the very least, how to solve it in the future. In both cases, connections to HTTP do not work, giving…
  • XG 430 SCCM and BITS

    Hi all, I seem to be having an issue with Sophos blocking the BITS HTTP Range header, so clients will not download content, and the only way i could get the clients to install was via GPO with / BITSPriority : FOREGROUND . Can someone please tell…
  • 502 Error (When HTTP scanning enabled)

    Good Afternoon, Since upgrading our XG210 to MR2, we have been experiencing frequent (but not constant) 502 errors when accessing various websites. The two that have been pointed out to me thus far are: * http://www.bangordailynews.com * http://www…