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3k views

Open source alternative to ISA/Forefront TMG?

I'm using Forefront TMG to do web server publishing & SSO and very little else. Are there any open source alternatives that can satisfy all (or at least most) of these features: Web server ...
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1answer
1k views

Client VPN works, but only from certain locations (ISA/TMG)

I've done something very simple. Or so I thought... I have setup VPN client access in TMG (or ISA, they're pretty alike). I created a group called VPN in AD, added that as allowed VPN users in TMG, ...
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1answer
871 views

Kerberos passthrough with Microsoft ISA/TMG and SAP EP - Internet Explorer is confused if https

I've been struggling with this prob since a while and I start being desperate to find a solution. Here's my problem: I have setup a SAP Enterprise Portal which is published via Microsoft ISA. ISA is ...
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0answers
84 views

ISA Proxy Server can't pass MSDN websites

I can get here. I can get to MSDN, but once I log onto MSDN all of my attempts to read/post questions times out. Our Network Administrator has no clue. He said if I could figure it out, he'd fix it. ...
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1answer
232 views

Inside/Outside DNS Issue with Active Directory/ISA Server

I have a network in NY where I'm trying to migrate their MS Exchange Server to Rackspace at the DFW Datacenter in TX. The NY network, seemingly randomly, developed a strange DNS issue. The NY office ...
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1answer
496 views

ISA Server Publishing Rule to Allow Connections From a Particular WAN IP/Subnet

I am looking to publish access to a particular server behind a Microsoft ISA server and limit access to a particular Public Server range. For instance, I only want to allow RDP access to the exchange ...
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1answer
3k views

How to get ISA 2006 Web Proxy to work with the Single Network Adapter template

I need to test an issue with running our application behind a proxy server with different type of configurations, so I installed ISA 2006 Enterprise on a desktop computer. Since this computer only has ...
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1answer
113 views

Using ISA to serve multiple servers as one domain

We use the www sub-domain to serve html, css, etc for our site. We also have a www1 sub-domain that routes traffic to our application server. So right now, ISA routes www traffic to ServerA and www1 ...
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2answers
672 views

IIS cannot access itself

We are on a corporate network that uses ISA and I am having issues trying to not have requests go through ISA. I have IIS7 on my local Windows 7 machine that has websites and a service layer. The ...
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1answer
2k views

ISA Server dropping packets as it believes they are spoofed

We have ISA Server 2004 running on Windows Server 2003 SP2. It has 2 NICs - one internal called LAN on 192.168.16.2, with a subnet of 255.255.255.0, and one external called WAN on 93.x.x.2. The ...
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1answer
5k views

Users loggin to 3Com switches authenticated by radius not getting admin priv and no access available with radius service down

Following the setup that I have for my Cisco devices, I got some basic level of functionality authenticating users that loggin to 3Com switches authenticated against a RADIUS server. Problem is that I ...
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2answers
327 views

How do I host multiple SSL websites using ISA inbound rules with 1 external IP address?

How do I host multiple SSL websites(all subdomains) using ISA inbound rules with 1 external IP address? I think something like option 2 in this question might work?
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1answer
1k views

ISA Server Route Add Question

I have a situation where I have and ISA 2006 server (on Win2k3) that has an internal and an externaly facing NIC's. All works fine but I need to add a couple of routes for the following reason: Our ...
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1answer
108 views

ISA - Why do i suddenly need to specify settings on the client machines?

Have been pulling my hair out over this one for hours, and wondering if someone can help. I have a server with two network interfaces that was running isa 2004 and humming until i installed sbs ...
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2answers
162 views

Including existing ISA server into domain

Is there any problem or pitfall including ISA server into domain after ISA was installed and configured and worked for a while? All the rules at the moment are based upon IP addresses, All Users. ...
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2answers
180 views

Two VPN (internet) connections rounting (win2003)

Here is my setup: - win2003 server (ISA installed) with 3 NICs:   1) internal network   2) ISP 1 (default) network (DHCP enabled)   3) ISP 2 (backup) network (DHCP ...
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2answers
1k views

ISA 2006 can run on Windows Server 2008?

ISA 2006 can run on Windows Server 2008 32bits/64bits?
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votes
1answer
332 views

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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1answer
76 views

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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1answer
788 views

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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3answers
1k views

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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1answer
90 views

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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1answer
1k views

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 ...
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2answers
1k views

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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1answer
450 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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2answers
56 views

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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1answer
350 views

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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2answers
122 views

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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5answers
542 views

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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3answers
357 views

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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1answer
848 views

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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4answers
195 views

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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1answer
592 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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1answer
477 views

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 ...
0
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1answer
275 views

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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1answer
110 views

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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2answers
1k views

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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1answer
376 views

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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0answers
208 views

ISA Server published Exchange 2007 CAS Web farm - uneven load on servers

We use ISA 2006 to publish two Exchange 2007 CAS Servers. Both CAS Servers have identical hardware spec, and ISA Server connectivity verifiers report the same respons time from the servers. The ...
2
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1answer
625 views

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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1answer
135 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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2answers
2k views

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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2answers
748 views

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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2answers
152 views

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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2answers
625 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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2answers
676 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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4answers
224 views

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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1answer
983 views

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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2answers
757 views

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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1answer
4k views

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? ...