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Re: [fam] fam floods network

To: Ashish Gupta <ashish@xxxxxxxxxxxxx>
Subject: Re: [fam] fam floods network
From: Alex Larsson <alexl@xxxxxxxxxx>
Date: Fri, 17 May 2002 19:00:03 -0400 (EDT)
Cc: fam@xxxxxxxxxxx
In-reply-to: <Pine.LNX.4.44.0205171440210.27538-100000@xxxxxxxxxxxxxxxxxxxx>
Sender: owner-fam@xxxxxxxxxxx
On Fri, 17 May 2002, Ashish Gupta wrote:

> Hi Alex,
> 
> I have not changed any configuration files for fam.
> Here are some files.
> 
> nfserver:/etc/fam.conf
> 
> insecure_compatibility = false
> untrusted_user = nobody
> local_only = false
> xtab_verification = true
> 
> nfsclient:/etc/fam.conf
> 
> insecure_compatibility = false
> untrusted_user = nobody
> local_only = false
> xtab_verification = true
> 
> 
> nfsserver:/etc/xinet.d/sgi_fam
> 
> # default: on
> # description: FAM is a file monitoring daemon. It can \
> # be used to get reports when files change.
> service sgi_fam
> {
>         type         = RPC UNLISTED
>         socket_type  = stream
>         user         = root
>         group        = nobody
>         server       = /usr/bin/fam
>         wait         = yes
>         protocol     = tcp
>         rpc_version  = 2
>         rpc_number   = 391002
>         bind         = 127.0.0.1

This line binds the server to only listen to requests on the interface    
that has 127.0.0.1, i.e. the lo0. There is no way this fam will listen to 
network requests

> }
> 
> nfsclient:/etc/xinetd.d/sgi_fam
> 
> # default: on
> # description: FAM is a file monitoring daemon. It can \
> # be used to get reports when files change.
> service sgi_fam
> {
>         type         = RPC UNLISTED
>         socket_type  = stream
>         user         = root
>         group        = nobody
>         server       = /usr/bin/fam
>         wait         = yes
>         protocol     = tcp
>         rpc_version  = 2
>         rpc_number   = 391002
>         bind         = 127.0.0.1
> }
> 
> # netstat -a -n | grep 32770
> tcp        0      0 127.0.0.1:32770         0.0.0.0:*               LISTEN
> udp        0      0 0.0.0.0:32770           0.0.0.0:*

As can be seen here. Only port that listens is on loopback.

I dunno what the udp line means though.

-- 
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
 Alexander Larsson                                            Red Hat, Inc 
                   alexl@xxxxxxxxxx    alla@xxxxxxxxxxxxxx 
He's a lounge-singing white trash Green Beret on a search for his missing 
sister. She's a blind goth schoolgirl with the soul of a mighty warrior. They 
fight crime! 


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