Internet Related/Filtering/Firewall Thread, Smoothwall Ucas site problems in Technical; We are having problems when students try to use they Ucas site,
We have recently stopped using the pac script ...
24th September 2009, 11:58 AM #1
Smoothwall Ucas site problems
We are having problems when students try to use they Ucas site,
We have recently stopped using the pac script method due to IE7 not enforcing them properly ( not smoothwalls fault)
our proxy settings are these
http 172.16.0.36 800
secure 172.16.0.36 442
socks 172.16.0.36 800
https traffic works to other sites
I have added all ucas domains to the not cached bit of smoothwall and also added them to the trusted sites list but students always comeup with a "pages cannot be displayed" when trying to access this url
UCAS - Apply
I have a feeling its to do with the secure port number but just need some help
IDG Tech News
24th September 2009, 12:18 PM #2
- Rep Power
We had this previously, once it was because we had added the ucas sites to the proxy bypass list but then i upgraded to school guardian and the old route was not available, so removed the bypass entry in gpo. Second time more recent was an internal dns issue. Smoothie box could see the site but clients could not. Added smoothie ip address as dns forwarder and could connect.
If you get access to the smoothie command line or the ip tools can you ping apply2.ucas.com?
Smoothie support are v good, contact them.
24th September 2009, 01:03 PM #3
Hey Jose - all ports should be the same, so 800 by default - so it looks like using 442 there is the problem. Strange that it would work for some sites though...
I'd give that a try first, and if still fails let me or support know.
Thanks to rob_f from:
Jose (24th September 2009)
27th September 2009, 09:12 PM #4
You need to tell squid which ports it is allowed to "connect" on - see web proxy page (allow proxy ports or some such) - am on hols ATM or i would be more thorough. Now... further drinking (sigh).
6th October 2009, 12:53 PM #5
The proxy setting for the secure https should not be set to 442 - that is not a port the SmoothWall Filter is running on - that should be 800 like the rest.
That it could work for https sites is likely that IE has decided that there is no proxy on that port and is going out directly.
Also as Tom says, if this https site run on another port than the standard (does not look like it though) then that port needs to be added as an allowed port on the Guardian - proxy - web proxy page. You will need to expand the advanced section to see this setting.
6th October 2009, 12:57 PM #6
put the work down and enjoy yourself
am on hols ATM or i would be more thorough
6th October 2009, 01:01 PM #7
You should have a look at this KB article. IE has a proxy caching mechanism that can be a bit annoying to troubleshoot at times:
Originally Posted by Jose
6th October 2009, 04:49 PM #8
- Rep Power
Originally Posted by Jose
Do you have any further details on this? I think we are experiencing the same issue...
6th October 2009, 04:56 PM #9
May be an idea to try to serve the proxy.pac file from another location than the SmoothWall - at least we can see if the problem persists which could point to the SmoothWall and make us look twice.
We have not had any massive amount of reports of this from other customers though but we wont rule anything out.
9th October 2009, 12:37 PM #10
We're having an issue where kids can log on fine, but some staff are having problems. (Just had it reported today).
Bear in mind that historically, the ucas sites haven't always been glitch-free, though there's been less "site did stupid thing" reports this year.
17th August 2010, 11:06 AM #11
Just have a problem today with ucas and the certificate they use being an untrusted one. Unknown issuer. How could a big gov dept use one of these. Could untick "Block invalid ssl certificates" but hoping to add this as an exception.
17th August 2010, 11:49 AM #12
Add it as whitelisted (in custom allow is easiest) and it won't get cert checked.
Thanks to tom_newton from:
bjohnny42 (17th August 2010)
17th August 2010, 07:51 PM #13
Smoothwall support chap did a super job and added a couple of certificates so that it now works.
17th August 2010, 10:34 PM #14
Ah, great to hear that. Sounds like it was a subtly different problem to the one I was solving
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