How to Unblock Port in HP UX

grimanda · #1 (**permalink**) 04-01-2008

Dear All..

I have an HP-UX server, i need to access it through certain port to run application.., but i cant access it,

I can login as root by using other port

Can anyone give me any advice how to see the list of active port? and how to block / unblock it??

Thankyou in advance

Regards,

vbe · #2 (**permalink**) 04-01-2008

How to Unblock Port in HP UX => later...
how to see the list of active port?
The best is to keep updated on all your servers the /etc/services file, like that you know which port you can use (and so update services file...)
block/unblock -> That should be done by the program using that specified port
Now in case of trouble you can always do an attempt to:
ndd -set /dev/tcp tcp_discon_by_addr <the socket giving the IP address in HEX...>
but for this you need to know the culprits IP...
You should install lsof if not already on your box...

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