DNS issues on PIX 515E, version 6.3(3)

Discussion in 'Cisco' started by georgevukas@yahoo.com, Feb 22, 2006.

  1. Guest

    We've recently had some issues where resolving external domains fails
    for clients using internal Windows 2000 DNS servers. This happens every
    12 to 24 hours and is fixed by simply restarting the PIX.

    During the problem, when substituting the internal servers with
    external DNS servers supplied by our ISP , resolving external domains
    works fine.

    Note that nothing has changed on the servers themselves, so this leads
    me to believe there may be a problem with the PIX itself. This has also
    coincided with some changes made by a third party consultant on the PIX
    about a week ago. However we cannot yet determine what change may have
    had an impact, as nothing to do with DNS was changed at the time.

    On the PIX, we have always had the following line in the config:

    fixup protocol dns maximum-length 512

    As I'm not an expert on PIX firewalls, has anybody had a similar issue
    or can anyone suggest the best way to resolve this?

    I can also reprint the entire config here if required.

    thanks
    , Feb 22, 2006
    #1
    1. Advertising

Want to reply to this thread or ask your own question?

It takes just 2 minutes to sign up (and it's free!). Just click the sign up button to choose a username and then you can ask your own questions on the forum.
Similar Threads
  1. Dustin
    Replies:
    3
    Views:
    630
    Matty M
    Nov 8, 2005
  2. Romeo
    Replies:
    1
    Views:
    463
    Walter Roberson
    Mar 20, 2006
  3. Speed3ple
    Replies:
    0
    Views:
    2,986
    Speed3ple
    Apr 4, 2006
  4. Replies:
    1
    Views:
    1,053
    Rohan
    Nov 18, 2006
  5. perkster

    CISCO PIX 515E Config Issues

    perkster, Mar 14, 2009, in forum: Cisco
    Replies:
    0
    Views:
    545
    perkster
    Mar 14, 2009
Loading...

Share This Page