the recent security annoucement had zero to do with servers, of course.

Derrick


On Apr 6, 2009, at 9:34 PM, Russ Allbery <[email protected]> wrote:

Jason Edgecombe <[email protected]> writes:

In light of the recent security announcement, I would like to review the
open firewall ports on my AFS servers.

For quick reference, here are the ports from the afsd man page:

        fileserver      7000/udp
        cachemanager    7001/udp
        ptserver        7002/udp
        vlserver        7003/udp
        kaserver        7004/udp (not needed with Kerberos v5)
        volserver       7005/udp
        reserved        7006/udp (for future use)
        bosserver       7007/udp

Which of these ports need to be open inbound for off-site clients to work
properly?

7000 and 7005 on file servers, 7002 and 7003 on VLDB servers. 7007 only
if you want to allow bos access from off-site.

Would it hurt anything to block port 7001 inbound on a fileserver or DB
server running an AFS client?

No.  You only need port 7001 open to AFS file servers that you want to
talk to.

--
Russ Allbery ([email protected]) <http://www.eyrie.org/~eagle/ >
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