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Questions tagged [webfilter]

A program or device that filters web content and pages.

51 questions
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How do you test your porn filter

For testing antivirus we have EICAR, for SPAM, we have GTUBE. Is there a standard site that is or should be included in blacklists that you can use for testing instead of going to your favorite porn site in front of your boss, the CEO, or someone…
Zoredache
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Best practices to block social sites

In our company we have around 100 workstations with Internet access, and the day-to-day situation is getting worse and worse from the perspective of using Internet access for the purpose of doing private jobs, and wasting time on social sites. Open…
adopilot
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6 answers

When/why to use a web proxy/gateway?

Right now we have about a 25-30 PC network, connected to the internet with a run-of-the-mill SonicWall Firewall/Router device. There isn't much filtering / blocking other than outgoing SMTP (for viruses etc.). I recall reading that at some point a…
Matt Rogish
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3 answers

Allow Facebook access only in specific hours of the day with squid

I've been able to install squid on my Ubuntu Server with basic authentication and everything works perfectly. Recently the boss asked to block facebook access and I did it with no problems. Now it looks that he wants to give the users possibility to…
Pitto
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7 answers

Open Source Filtering of HTTPS Traffic

We use to have a filtering/proxy setup that was configured so that about 500 users were routed through a Unix-based system running SQUID with SquidGuard to block questionable content and log what users were doing. What we found was that there were…
Bart Silverstrim
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2 answers

Is there a way to block webmail access but still have outlook windows client work with our business office365 account?

We have just migrated our corporate email to office365. In order to give access to our outlook exchange servers it was necessary for us to open up our web filtering, allowing a number of additional Microsoft domains. This included domains such as…
Vagnerr
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5 answers

Web filter device for a small/medium business?

We have ~200 users and are currently using Blue Coat to filter web content. Basically we just block things like porn and streaming media. Our contract is coming up and the device is End Of Life, so we are looking for possible alternatives. I know…
Andy May
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BYOD and Google SSL

I run a school network with a BYOD program in place. I have a linux proxy (squid) with content filtering by Mind (fork of dansguardian). Everything works fine over HTTP, the problem is of corse when kids start using HTTPS. My biggest issue is that…
lampwins
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Force to use specific DNS provider at network

OpenDNS offers a quite simple way for internet filtering by categories. Of course who could get the correct IP address can easily bypass the filter but it would be enough for my expectations. The bigger problem is that changing DNS provider at…
osiixy
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1 answer

Cisco reputation filters mis-identified site as malware or "misconfigured DNS"

A client came back to me this morning saying one of their clients couldn't access the website because their security service was identifying it as a threat. I searched for the particular error, but every result on all 4 pages of Google results were…
NealJMD
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1 answer

Squidguard (or equivalent) for IPv6

We have recently implemented (native) IPv6 in our network. Everything is working very well so far, but our IPv4 network passes all HTTP traffic through Squid (2.7.STABLE6 on Ubuntu Server) + SquidGuard for filtering purposes. This is all managed via…
Matthew Iselin
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3 answers

How do I unblock certain parts of Youtube for the staff?

Youtube is a good tool for finding tutorial videos but it's bad for my network. But the staff sometimes need to watch some tutorial videos on Youtube to help them do their work. How do I unblock certain parts of Youtube so the staff can browse…
hsym
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1 answer

Fortigate administrative overrides - how to include all subdomains?

I need a nudge in the right direction with this: Situation: I got Fortigate device with FortiOS4.0 with enabled FortiGuard web filter. I block a category, let's say "freeware download" (example). Now, sites that - FortiGuard decides - serve freeware…
Jan Kubicek
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Porn site detection

We use Open DNS + Norton DNS to detect if a website is porn / phishing website. However we found a lot of non-English websites that can not be detected from Open/Norton DNS. Those are mostly Thai sites. Later we also found Securly.com, but it misses…
Nick
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Suggestions for Method of access restriction in organization

I want to stop employes of using social media and other sites i might think i dont want them to visit, yet there are some times we need to use it so i need some flexible customizable solution. I tried router and it only blocks up to 8 sites. I can…
MrCHong
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