Re: HACMP and port scans

[Andreas Siegert <afxml () atsec com>]

Quoting Alex Polli (apolli () pucrs br) on Tue, Sep 25, 2001 at 01:36:12PM +0200:
> Yes, I've faced this. In fact, the tcp connect() function, when applied to
> certain HACMP ports causes the system to shut down that node. However, if
> you make a SYN scan it won't happen.
>
> IBM has given us no workaround, so we deployed a firewall in front of the
> cluster machine, dropping packets to the HACMP ports.

Current AIX releases (AIX 4.3) have a packet filter that might help.

cheers
afx
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