WSA error DNS lookup failed

[Asim Afzal]

hi,

When i try to download a file from let say xyz.com i am not able to do so.Policy trace show below result

User Information

User Name: r5893

Group Membership: NBKDOM\r5893, NBKDOM\Limit_Login_Single, NBKDOM\MMS_Access Group, NBKDOM\Screen Saver, NBKDOM\Domain Users, NBKDOM\MMSGroup, NBKDOM\Purchasing&GS-Kuwait, NBKDOM\AllUsers, NBKDOM\Outlook Users, NBKDOM\Administration-Kuwai, NBKDOM\BOUsers, NBKDOM\MYNBKUSERS, NBKDOM\Purchasing Requests - Administration, NBKDOM\EVGROUP001

User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)

Custom URL Category: Allow sites

Policy Match

Cisco IronPort Data Security policy: None

Decryption policy: None

Routing policy: Global Routing Policy

Identity policy: Users

Access policy: NBK_Users

Final Result

Request blocked

Details: DNS lookup failed

Trace session complete

[Vance Kwan]

Hi Asim,

I would investigate the DNS by establishing an SSH session to the M1 interface.  Do an 'nslookup xyz.com' and see if it resolves.  If it does not resolve, you may want to check your DNS server.

-Vance