Web Security

I saw in a recent presentation that you support 100,000 concurrent connections, yet in the security services>proxy settings in the management console it shows the default value for persistent simultaneous connections at 2,000. Also, on the presentati...

Hi, I've got the following setup in our Windows AD infrastructure. Client admin websites hosted in our dmz, whose url is accessed via an externally hosted DNS reference. I've built up an Ironport S-160 to replace a defrunct Bluecoat and have trouble ...

We just started our trial of the Ironport s160 appliance. I had noticed in doing research that Websense has a feature that lets you set a time limit, such as 30 minutes, that your users can access blocked sites (such as ESPN, facebook etc.) for 30 mi...

Hi,I've recently installed an Ironport S-160 WSA into our infrastructure and am having problems with Sharepoint uploads. Our SP servers use IWA authentication to allow users to upload images and couments hosted in a DMZ outside of our domain. What I'...

We have setup our S160 to use NTLM authentication and allow NTLM Basic.  This works great for normal workstations and laptops, but our physicians have their own personal smartphones that we have allowed them to use in the past.  The problem is that w...

I've just recently began having issues with access tofacebook.com in my organization. (Within the past two weeks). I'm assuming the latest upgrade may have started this issue. The page intermittently has issues on most users systems (but not all). Th...

I'm trying to export the web activity for a particular client through the ironport web admin tool. When I click on the info link, it shows that the export should include the site details. However, when clicking the export button the resultant report ...

Looking at the following log sample (Apache format Access Logs) and the bolded section contained between the <>:1.1.1.1 - - "16/Feb/2010:11:58:55 +1100" GET http://www.testsite.com 304 0  TCP_CLIENT_REFRESH_MISS:DIRECT 7ms  DEFAULT_CASE-DefaultGroup-...

Do I need to open a special port from the IronPort to the Internet whereby IronPort can send and receive information assessment for known internet domains ?,Thanks a lot,Regards

Has anyone else setup the external radius authentication for their administrators?  I am thinking about turning it on to get better accounting of who made specific changes to the appliance and would rather use an existing authentication database.  If...

Good morning,We are using IE8 to automatic pick up the proxy configuration via DHCP. However, we've updated the PAC file hosting with a new file / different name and updated DHCP accordinly. However, majority of clients are still requesting for the o...

Has anyone run across something like this? I have seen the Ironport URL cat document, didn't know if one was in the works or under another topic filter. Thanks!

After successfully implementing a pair of S650 WSAs, I am now being asked by our management for various reports.  I have produced a number of custom Sawmill reports which provide most of the information needed, but I am having trouble trying to produ...