[Ilugc] Re: A strange problem
- From: tuxkumar@xxxxxxxxx (SaravanaKumar)
- Date: Tue Jun 22 12:54:03 2004
At First, thanks for the reply.
Suresh Krishna S wrote:
Problem1: in windows network neighbourhood i can see all clients. i want
to disable this so that one system's in one browsing centre shouldn't
access other's system.
You can remove the windows file sharing protocol from each client.
If i remove file sharing then clients in one browsing centre won't be
able to access other clients in the same centre.
if i do subnetting i need to divide them into 10 subnets and assign them
to go a single NIC. is there any possibility for this?
Do u have any linux server as gateway or for Masquarading them..??
Linux server works as the gateway and MASQ them all with the following
two rules.
iptables --table nat --append POSTROUTING --out-interface eth0 -j MASQUERADE
iptables --append FORWARD -i 192.168.0.1 -j ACCEPT
Also it is running squid and clients use the http cache of the squid.
Problem2: some of the clients work normally. After a some time(say
10min) they are totally disconnected from the network, until restarted.
It seems NIC or cable problem if the systems are virus free. Pls make sure
the system is working fine without the ethernet cable connected.
I doubt this is because of virus. At the beginning those clients work
well. After sometime they are totally disconnected from the network.
One more problem is that in one browsing centre there are 10 clients all
in the same subnet and connected to the server. In that only 7 systems
work. 3 won't work. But if disconnect or bring down some the working
machines the other 3 systems start working. I doubt there may be
something wrong in the squid.
But to my even ping doesn't work. AFAIK squid can only limit the number
of http hits/cache hits. how is it blocking ping. No other rules in
iptables.
I am totally confused. please help me.
--
Really, I'm not out to destroy Microsoft. That will just be a completely
unintentional side effect. --- Linus Torvalds
--
SK
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