Determining availability of a remote machine

Kim Holburn kim.holburn at
Wed Apr 2 09:39:14 EST 2003

At 7:50 AM +1000 03/4/2, Michael Still wrote:
>I need to be able to determine if a remote machine is available without
>living through a long timeout. For network configuration reasons I can't
>use ICMP.
>Anyone have a brilliant idea as to how to determine if a machine is alive
>in code without using ICMP? I thought of just connecting to a port, but I
>can't gaurantee that certain ports are open on the remote side, and
>firewalls might get in my way.

paratrace or lft

>Michael Still (mikal at | Stage 1: Steal underpants
>            | Stage 2: ????
>UTC + 10                          | Stage 3: Profit

Kim Holburn 
Network Consultant - Telecommunications Engineering
Research School of Information Sciences and Engineering
Australian National University - Ph: +61 2 61258620 M: +61 0417820641
Email: kim.holburn at  - PGP Public Key on request

Life is complex - It has real and imaginary parts.
     Andrea Leistra (rec.arts.sf.written.Robert-jordan)

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