Source port on AIX for NAS is same? Post: 303018164

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Operating Systems AIX Source port on AIX for NAS is same? Post 303018164 by bakunin on Wednesday 30th of May 2018 03:12:30 PM

05-30-2018

Registered User

Quote:

Originally Posted by MadeInGermany

According to this link you can add a line to /etc/environment

Code:

NFS_PORT_RANGE=udp[4000-5000]:tcp[7000-8000]

that will be inherited in a new login shell.
(I am not sure how/if this will spread to a "NFS mount at boot".)

In AIX (many) daemons are started with a sort-of "super-daemon" called SRC (system resource controller). It is possible to change the way a process controlled by it is started (or run) by using the command chssys. It is also possible to start daemons via the /etc/inittab directly as AIX has a SystemV-style boot sequence. It also sports RC-scripts, which can also be configured. (Some ssh-versions are an example of a service started by such an RC-script, although newer ssh-packages usually start it via inittab.) The group of daemons used for NFS depend on the NFS version(s) the system is using: biod, lockd, portmapper and statd are used for NFSv3, nfsrygd for NFSv4.

Quote:

Originally Posted by MadeInGermany

I do not understand why you bother with the source ports; it does not matter at all, and usually a firewall does not have rules about source ports.

Amen to that. Furthermore, in post #3 the question was definitely about NAS and not NFS.

I hope this helps.

bakunin

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