We have an SG310 and we have implemented Transparent Mode web filtering. When everything works well, users on the network can browse to safe websites. But occasionally the Sophos will block them from visiting a site that they have used before (and that…

Hello We have a UTM running 9.502-4, we are using Web Filtering in Standard Mode with AD SSO Authentication. We have several AD groups, one that is "whitelist only". People in the whitelist only group are having trouble using the Royal Mail tracking…

Hello everyone, When I config web protection feature, I used authentication via browser. But when I test in client, captive portal use HTTPS connection, this is trouble. In Sophos XG, we can switch to HTTP connection, but in SG vendor, I don't see that…

Hello, we have UTM 9 with the Webprotection active. I n the last few weeks we have the problem that we not can open two websites. When i opening this website, the proxy give me an error "Connection to server timed out". On another computer with…

Hello, I am a bit puzzled with this and i was wondering if you have an idea how to resolve it. I have a local server at localhost:81 where i am running vtigercrm. I wanted to use the UTM9 to do the reverse proxy for me. However I am getting an error…

Dear all, hopefully this is the correct forum, otherwise please move it to the correct one :) Well, we have "some" trouble with our Proxy/Webfilter. Since a few months we've got the problem, that sometimes, some pages got the "Host not Found" notification…

Hi Team, I have a UTM 9.5 installed on a hyper-v instance. I have created a new web filter profile and 3 policies under that profile. three policies were created for 3 different AD group users such as Fully allowed users, Senior managers, and users…

Hello eveyone, I'm using Sophos UTM 9 SG210 as a Firewall and Sophos Endpoint Security and Control as antivirus in my computers, when I'm connected to the corporate network the Web Filtering is working blocking sites that we consider as forbidden in…

Hi guys there use to be a tool for creating regex's floating around. Unfortunately the webpage and mirrors to the tool have disappeared. It's referenced in this post here community.sophos.com/.../utm-reg-ex---exceptions It's called quickregex…

We get the following error when browsing some sites And in chrome we get a Your Connection is not Private error. Then first thing we did was to look if Https Scanning was turned on but it is not from what i can tell. We have tried putting in…

Hi All, I am new to forum and new with Sophos. I do know some basic troubleshooting as the KB was very useful. We had this one concern where Sophos is not logging allowed packets in the syslog. Please notice the log: 2018:01:21-14:2029 sg330…

Hi, We've recently had a PEN test. We're looking to achieve necessary accreditation for Cyber Security. One of the things that the PEN Test found was a vulnerability on the UTM's public WAN address and other systems that Sophos UTM is providing…

This KB Article provides instructions on how to utilize Website Tags to secure resources in your network while still allowing Internet access for your Guest Network. 1. Create a Website entry for the protected network's CIDR range 2. Add a tag to…

I just finished installing and configuring UTM using the Sophos Outbound Web Proxy AWS quickstart. I am able to login to the testing instance and use the transparent proxy successfully (e.g. blocked sites block, whitelisted sites go through.) However…

Hi All, This is more of a, "Hey, look what I found", in hopes it may help others looking at the same problem and need a workaround. This all started when I could not stream video from my Zoneminder (ZM) server when connected to my network through…

Trying to download latest version for GIMP on Windows and got this error message from the http proxy "Internal memory limit reached" on a SG 125 with 4GB RAM. RAM-utilization is 62%. Gimp file size is 80 MB. The file is downloaded to the UTM and…

Recently, I have been thinking about DNS security. This seems odd, since DNS lookups are unauthenticated. But DNS security definitely needs to be part of the implementation decisions. UTM DNS is an integral part of defenses for users on the Internal…

Model: SG135 Firmware Version: 9.506-2 I'm not sure what I'm missing, but here is a breakdown of the issue I'm experiencing and how I have this unit configured. When connected to the local private network, I am able to access the internet on my…

I know I can add Exceptions to prevent the AV from running for certain websites (possibly using a REGEX). But there's already an application control definition for what I'd like to exclude. Is there any way to hook up the app control definition as part…

Hi Guys just a question on how to block facebook videos with access to facebook news feed im quite lost and dont know what to do. THANKYOU :)

Hi there, I'm usually using Web Protection in transparent mode + browser authentication. Works fine no issues here. But, when connected through SSLVPN, i'm already authenticated to the UTM, the UTM knows with which user account i've logged on. Although…

UTM 9 blocked website as per our define rules but some time it does not show Sophos block message. It shows connection failed error message on explore and chrome but after refresh site it shows Sophos blocked message. I want Sophos block message…

Hi, I have a single ISP, so right now all outbound traffic are using this. If ever it went down(ISP), does the UTM has an option to use a proxy server so I can still have internet access for my clients. The proxy server is located in a different…

Last 2 night (always it start at evening) it will something use at sophos use all my bandwitch. So is imposible to use internet. When I was looking what is it I was abble to find is "web services / akamai" Data disk is in 2hour filling from 15…

Hello Everyone, We have a setup in our environment which provides Web filtering based on certain list defined by us. Its a Software based model(ASG Software) UTM 9 . I want detail on how a request is processed once it reaches at gateways. how all…