Questions tagged [isa-server]
The isa-server tag has no usage guidance.
155
questions
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Is it possible to configure TMG to impersonate a domain user for anonymous requests to a website?
I would like to configure Forefront Threat Management Gateway (formerly ISA server) to impersonate a specific domain user for any anonymous request to a particular listener. For example, for any ...
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1
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97
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ISA Related Questions: Is our network ISA-Enabled?
We have a product that uses Web Services. On our primary testing here on our local site, the product seems to be functioning well. When the product was deployed on another site, it went crazy with the ...
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1
answer
1k
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Active Directory Group members of ISA Server 2006 user set not working on rule
When I add a global security group in Active Directory to a user set on ISA Server 2006, the rule using that user set does not take effect for members of the AD group. If I add a single user to the ...
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3
answers
2k
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Incorrect DNS server being used when using ISA VPN (Windows XP SP3 built-in client)
When one of our users connects to our ISA VPN server, 99% of the time, their computers are using the DNS servers bound to the physical interface to resolve host names. Every once in a while, they use ...
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120
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What ports are SSL in Microsoft ISA server?
I was wondering what ports Microsoft ISA Server designates as being SSL by default?
I know the standard 443, but i'm trying to find out if there are others and i don't have administrative access to ...
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1
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2k
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Optimum size for ISA server disk cache
Our ISA server administrator is saying this:
How the ISA cache works is as follows:
when the ISA server receives a request
to access a website, the first step it
takes is check through the cache to
...
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2
answers
3k
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TortoiseSVN through a proxy
I'm trying to set up my Win7 work laptop so I can access my svn repos. My repository is set up on a Linux box at home and works fine from all of the my machines, including my work laptop when I'm not ...
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1
answer
520
views
ISA Server: How to troubleshoot DHCP problem?
I've added a DHCP Server to my ISA Server. The purpose of the DHCP server is to provide addresses to a DMZ (on its own interface) for misc computers that need internet access but don't need to be part ...
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2
answers
65
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How secure is ISA Server 2000
We have a small office using ISA Server 2000, previously this was connected to the internet through another firewall provided by the business park we are at, but soon will be connected directly to the ...
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1
answer
436
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Can i have a Asterisk IP PBX Server Behind ISA 2000
Is it a simple procedure to configure ISA Server 2000 to allow an Asterisk IPPBX connect to SIP provider. On asterisk forums they say the ISA has difficulties handling SIP, softphones that i have ...
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2
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152
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Changing Internet connection on ISA Server 2000
We are getting a new internet connection installed and will need to unplug the old one and connect this to our ISA Server 2000.
Will this be a simple swap out job? We will be given a new ip, which i ...
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2
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564
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Exchange 2007 - Exchange ActiveSync
We have ISA 2006 and Exchange 2007 and would like to get the Exchange ActiveSync to sync with non-windows base phones eg.Sony Ericsson...
We got it to sync with Windows base phone ie. smart phone or ...
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5
answers
597
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Firewall Considerations While Migrating from SBS 2003 to SBS 2008
I'm currently running a Windows SBS 2003 with ISA 2000 and will be migrating to a new server containing Windows SBS 2008, Standard Edition.
Since SBS 2008's internal firewall should not be seen as ...
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1
answer
1k
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ISP Load Balancing with ISA 2006
I understand that ISA 2006 has an integrated Network Load Balancing feature. We also recently acquired a second internet line through a second service provider. I know it is possible to purchase a ...
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3
answers
443
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ISA 2000 and COD MW2 Steam [closed]
OK, so maybe not the "proper use" of network resources, but we enjoy the odd COD game during lunch hours. When we played COD4, we had a dedicated server setup at the back of the server room. With MW2, ...
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2k
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RRAS vs ISA Server vs Forefront Threat Management Gateway
I was hoping someone could explain to me the differences between RRAS, ISA Server and Forefront Threat Management Gateway. As far as I can tell they all sort of do exactly the same thing?
RRAS allows ...
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2
answers
3k
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ISA Server for x64 systems? Or recommend other Firewall/Routing/VPN software
we're a website that is going to have two servers behind the Firewall/Router Server (a web server and a database server). All three servers are going to be running Windows Server 2008 R2 x64.
Excuse ...
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1
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1k
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How to implement dynamic web blacklists in ISA Server 2006?
I'm looking for a way to implement web site blacklisting in ISA server 2006.
I know how to manually define a destination set and block access to it, and I also know how to import XML lists.
What I'm ...
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1
answer
355
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IIS and ISA Server 2006 on the same machine
I've got quite a hairy problem.
I need to create a site-to-site VPN between a dedicated server (which hosts several websites) and a network (from a client) in order to use their webservices (and no, ...
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4
answers
428
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Blocking of certain file downloads
I have a problem where I cannot completely download a certain file from a server.
The file is 1.9MB in size but only 68% is downloaded and then it hangs.
I tried and these cases, which failed:
...
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1
answer
661
views
ISA Server - how do I set the default domain for web surfers to log on?
A company recently upgraded from Internet Explorer 6 to 7.
Previously, when users were logged in as an account which was not allowed to surf, the ISA Server web proxy would promt them for ...
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516
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How much NICs for NLB (ISA-Server) / Best Practice?
I'm not familiar with Windows servers (I'm some kind of networking guy) but have to setup an ISA server from the networking point of view. It will connect an internal LAN to a DMZ.
There will be a ...
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4
answers
3k
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Why would a web server set the content type of a redirect to application\octet-stream
I have taken steps to prevent software from being downloaded from the Internet as it was being abused by students. This was implemented using ISA 2006's Content Type filter condition "Application". ...
1
vote
2
answers
361
views
Recommended hardware for Microsoft ISA Server standard?
The scenario is a small company with a few hundred users. ISA Server 2006 (at time of writing) will be implemented primarily to restrict websurfing and various applications like instant messaging per ...
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1
answer
195
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Locking down specific VPN users or any other alternatives?
I am looking for solutions on locking down VPN connections from clients to our untrusted testing domain. Basically a remote access option that we can give our clients to road test our software before ...
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1
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328
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ISA Server 2004 Hotmail Filter
At the moment we have a rule that limits SMTP traffic through TCP port 25. If I do a test email to a @hotmail.com address the email doesn't arrive, nor are there any bouce-back errors.
If I send from ...
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1
answer
66
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VPN Connection Issue
We have Windows ISA Server 2004. I have made some changes as we signed up to a 3rd party spam filter company.
I had to block SMTP traffic to funnel through port 25 and now the VPN connection won't ...
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1
answer
121
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Exchange Certificate Issue
We recently signed up to a 3rd party hoster for filtering spam emails. It required blocking at the ISA firewall and only allowing port 25 in and outbound, also with setting relays to their subnetts ...
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2
answers
1k
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Passing client certificates using ISA 2006 over SSL
We're running an ISA 2006 and IIS6. Both on Windows 2003 machines. We've published a Website under an SSL connection.
Is it possible to let the ISA server pass down any client certificates to IIS (...
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1
answer
407
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ISA Server and Exchange - Port 25 Issues
What is a best practice method for minimising spam issues when spammers are getting through our ISA 2004 gateway and spamming from our exchange server?
Is there a fantastic document that someone ...
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3
answers
838
views
IE7 on XP in Windows Domain Behind ISA Server 2004 - unable to access certain websites correctly
Windows XP client machines running IE7 in a domain behind an ISA Server 2004 on Win2k3. The ISA Firewall Client is installed on all clients. Machines are managed via group policy. IE7 is configured ...
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1
answer
849
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VPN with NAT-T between OpenBSD and Microsoft ISA
A customer of ours is setting up an ISA-Cluster in private network address range and we have to build a VPN connection with them.
There is no way avoiding NAT-T and this is where we get to a problem:
...
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1
answer
143
views
Adding a second line to a domain
I'm running a Windows 2003 single domain network. We currently have a single connection line run in to an inbound nic in our ISA firewall. Outbound nic goes to a switch and from there to all other ...
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2
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2k
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ISA 2006 refuses VPN DHCP requests as spoofing
I'm running ISA 2006 with PPTP VPN for my AD-controlled network. DHCP is located on the ISA server itself and authentication is done by RADIUS (NPS) located on the DC.
Right now my VPN clients can ...
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2
answers
829
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Site to Site VPN with ISA 2006 to a Dyndns Hostname?
I would like to create a site-to-site VPN between my ISA 2006 and a DLink router on the other side.
My ISA got a fixed external IP Address, but the Dlink only has a dynamic one. So it makes use of ...
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2
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171
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ISA Server deployment asking for advice
I am going to deploy ISA server 2006 on Windows Server 2008 x64 Enterprise. Some basic questions,
ISA Server 2006 is the most recent version?
I am going to deploy internal web site publish feature ...
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2
answers
708
views
How to have internet connection over VPN while "Microsoft Firewall Client for ISA server" is running?
I have the software mentioned in the title running on my machine.
When I connect over VPN to my company's network, my internet connection gets borked, because somehow the ISA firewall blocks it. This ...
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2
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938
views
What's the Purpose of Exchange Frontend Servers
What's the Purpose of Exchange Frontend Servers in this configuration?
Config:
SMB with single Exchange backend cluster. ISA server nodes with Published OWA/RPC/etc web sites. The cluster is located ...
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1
answer
79
views
Track messenger messages in ISA server?
As all of my internet traffic goes through an ISA server, is it possible to extract the content of IM messages from the logs?
It's ISA 2004 running on 2K3 Server.
Thanks in advance.
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1
answer
1k
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ISA Server 2006 web publish issue
I want to use ISA Server 2006's web publish feature to publish my internal IIS server web site (http://testorder) to a part of my external web site (http://www.mycorp.com/testorder), and currently, I ...
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4
answers
248
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Using SBS 2003 SP2 as LAN gateway leads to massive HTTP timeouts
Through ISA running on SBS 2003 SP2 as a LAN gateway, no matter how many clients in the LAN are running, I'm seeing massive amounts of HTTP timeouts to any external service. The server has two network ...
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1
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1k
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OCS 2007 R2 A/V NAT - outside client trying internal IPs
I have an existing OCS 2007 R2 install (single server internal, single Edge Server). It's been running for a while, and now I am trying to change its configuration. We have been using a NIC directly ...
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2
answers
1k
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How to install magento extensions from behind an ISA Server?
I am trying to install some Magento extensions however it keeps timing out. When I run a trace through ISA Server 2004 I can't see any denied traffic. The only thing I do get is a http proxy closed ...
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2
answers
576
views
Help to review ISA Server 2006 web publish settings
I have a internal site named myinternalsite, and I want to publish all information in the internal site to my external internet domain http://www.myexternalsite.com and under order path, i.e. when ...
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461
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need a tutorial for ISA Server 2006 web publishing
Anyone could recommend me a document for ISA Server 2006 Web Publishing? I want to learn it step by step and also wants to try Path Mapping feature.
thanks in advance,
George
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1
answer
5k
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reverse proxy setup in ISA Server
I am new to ISA server and here is my requirements, and I want to use ISA server to setup reverse proxy to achieve my requirements. I have two questions,
Whether ISA server could serve my needs?
...
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1
answer
2k
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How to publish a secure SVN server (Apache+SSL) behind an ISA firewall
I've just configured an internal SVN server in a Windows 2008 box using:
SVN 1.6.2
Apache 2.2.11
mod_ssl 2.2.11
OpenSSL 0.9.8j
DAV 2
mod_auth_sspi 1.0.4
The domain certificate was created by an ...
1
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1
answer
381
views
CheckPoint SecuRemote behind ISA 2006
Has anyone successfully got this to work? The VPN client uses UDP encapsulation and adds an 8 byte header to the encrypted packet, which ISA then strips out. the remote gateway then rejects the ...
3
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4
answers
29k
views
Cannot get proxy.pac file to get browsers to go DIRECT for localhost
I am gonna throw this problem out into the wild.
We have just started using a proxy to log users internet usage against login names. This is setup on ISA Server 2004 (which is on our Internet gateway ...
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2
answers
2k
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ISA Server NLB and HTTP 403 errors
I have an ISA Server 2006 Enterprise Edition NLB array and, intermittently, users connecting through one of the two servers get an ISA Server 403 (Forbidden) error message:
Technical Information (for ...