Hello Linux team,

Can anybody help me out in VLAN configuration in linux, is it possible to do .. if yes please let me know the steps to do....


Thanks in advance.


Satheesh........

Hello Linux team,

We are having multiple ISP for the lan, now i wanted to do masquerading + load balancing with 2 ISP. or 1 ISP with uplink and 2nd ISP with downl link only.


Please help.


Thanking you,

Satheesh.

Hello Linux team!!!

Have installed RedHat9.0 and done masquerading... having 3Com Ethernet cards, I want this cards to set for 10Mbps, how to do in command mode??


Plz let me know.


Thanks in advance.

Sathish

Hello Linux team!!

Have installed redhat9.0 and done ipmasquerading, and configure iptables, by default all ports opened by the systems, now I want to open only specified ports and block other ports.

Is it possible ??

Please let me know.

Thanks in advance.


Sathish.

Hi ricky,

it probing card itz ok itz here successful... . while probing monitor itz give next UNKNOWN MONITOR and then hangs... next step is not going.. ??


Thanks


Satheesh

Hi Linux team,

I am try to install redh linux 9.0 in compaq proliant 1600 server [SCSI drive], while installation itz goes  upto scsi driver after that itz probing for VGA card and next monitor - it gives the result upto unknown monitor and then it hangs..  tried 3-4 times.. it is hanging at the sample place.

monitor is - LG 15".

can anybody solve the prob ?? i am stuck in this place...


Thanks in advance,

Sathish.

Hi !!!


I think password file is locked just try this command to unclock

chattr -i /etc/passwd


Let me know it worked or not ??


Sathish.

Hi !!!

I am also working on it, chk below website might be helpful  to  multiple uplinks/providers.

http://lartc.org/howto/lartc.rpdb.multiple-links.html



Sathish.

Hai klakshman03

You can drop the syn floods by using the below mentioned code

iptables -A INPUT -p tcp ! --syn -m state --state NEW -j DROP

iptables -A INPUT -i eth0 -p tcp --syn -j DROP



Sathish.

Hi Linux team,

I am successful in blocking yahoo messenger here it is

First DROP the yahoo ports as it is discussed in the thread by Mr.Ricky
http://www.linuxsolved.com/forums/ftopic1363.html

Secondly DROP all this below mentioned servers used by yahoo messenger

cs1.msg.dcn.yahoo.com
cs2.msg.dcn.yahoo.com
cs3.msg.dcn.yahoo.com
cs4.msg.dcn.yahoo.com
cs5.msg.dcn.yahoo.com
cs6.msg.dcn.yahoo.com
cs7.msg.dcn.yahoo.com
cs8.msg.dcn.yahoo.com
cs9.msg.dcn.yahoo.com
cs10.msg.dcn.yahoo.com  .............continues..............
upto
cs59.msg.dcn.yahoo.com
cs60.msg.dcn.yahoo.com

and this 3 servers
shttp.msg.yahoo.com
httpes1.msg.vip.dcn.yahoo.com
radio1.launch.vip.dal.yahoo.com

just dropp all the packets[yahoo servers] mentioned above, then you are sucessfull in blocking yahoo messenger.


Let me know any help needed by you guys in blocking yahoo messenger.

sathish.

Hi,

Ricky i want know from both iptables as well as squid.


Sathish.

Hi Ricky,

Thanks for u reply, i have done this earlier like dat mpeg mp2 mp3 in the list, but as earlier told i am working for medical related company, in our clients side we mainly use google as a search engine we used to words like exercsies [which is related to exe]  datum [which is related to dat] to search like this millions of words,  if u put like this in google it will be access denied from squid proxy.

here is the problem i am facing ?? how to rectify and how to bypass this things.

if any suggestions/answers plz let me know.

tx
Sathish....

Hello Linux team!!!!

Having a REDHAT 9.0 with masquerading, now i wanted to block yahoo chat server nearly itz having 45 servers, all this i want to block for a single LAN ip ??

ex : cs46.msg.dcn.yahoo.com... cs47.msg.dcn.yahoo.com like this it goes on.. but i want this LAN ip to block 192.168.1.4 one of the client side at a time..


Thanks in advance
sathish.

Hai !!


yes it is restricted not to download those extensions in download.ban file

Hai Linux team !!!

I am using redhat 9.0 with masquerading and squid proxy server

In squid configuration i have given some extension files not to download like .exe, .bat, mp3 and few more....

i have put the configuration correctly not to download.. itz not working
acl bad url_regex -i "/etc/squid/download.ban"
http_access deny bad

in download.ban file.. i have put like this extensions
\.exe$ \.mp3$ \.mpeg$ \.bat$ and many more extension ...


but if i download a attachment of .mpeg files from yahoo mail itz downloading.. how to avoid.

Please let me know how to go through with this...

Thanks in advance.

Sathish

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