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why do i have to allow ping in order to allow CIFS?

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why do i have to allow ping in order to allow CIFS? - 17.Mar.2005 10:01:00 AM   
rpetruni

 

Posts: 25
Joined: 17.Apr.2003
Status: offline
When i upgraded my ISA 2k firewall to 2k4 i change the relationships between internal networks, and protect my file servers a little bit more. First thing i needed to allow to file servers was file and printer sharing ;-). So i allow CIFS protocol (UDP, and TCP). Client could access file server using IP address, but unable to access it using name. DNS was allowed. I was investigating logs and i saw that ping was initiated every time before CIFS request, so i alowed ping. After that action clients could connect to file servers using server name, before that - no. Why?
Thanks
Robert
Post #: 1
RE: why do i have to allow ping in order to allow CIFS? - 17.Mar.2005 2:13:00 PM   
tshinder

 

Posts: 50013
Joined: 10.Jan.2001
From: Texas
Status: offline
Hi Robert,

I recall reading a KB article on this. I believe there is a way to turn this off, and it was mentioned in the article. Check out TechNet for the details.

HTH,
Tom

(in reply to rpetruni)
Post #: 2
RE: why do i have to allow ping in order to allow CIFS? - 20.Mar.2005 10:13:00 PM   
rpetruni

 

Posts: 25
Joined: 17.Apr.2003
Status: offline
Thanks for answering my question. Did not found KB article though....
Robert

(in reply to rpetruni)
Post #: 3

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