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Groups > comp.os.linux.networking > #265
| From | pk <pk@pk.invalid> |
|---|---|
| Newsgroups | comp.os.linux.networking |
| Subject | Re: Configurable testing server |
| Followup-To | comp.os.linux.networking |
| Date | 2011-05-17 10:12 +0100 |
| Organization | Aioe.org NNTP Server |
| Message-ID | <iqte5a$dh$1@speranza.aioe.org> (permalink) |
| References | <b0dd8e52-f5a2-4499-89cc-68bd3275a8a9@j13g2000pro.googlegroups.com> |
Followups directed to: comp.os.linux.networking
jprudent wrote: > Hi! > > I'm teaching firewalls on Linux. > > I'm looking for a program that can take two arguments: > --port portnumber [listening port number] > --tcp or --udp [choose the protocol] > > Several instances can be running on different port. > Clients can connect through telnet and the server is echoing telnet > input. > > This program is aimed for students. They can add some iptables rules > on machine and test if they still can access their servers from > outside world. > > Yes, I'm too lazy to write one myself. I suppose something like socat 'TCP-LISTEN:1234' 'EXEC:cat' suitably wrapped to parametrize the protocol and port, would get you close.
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Configurable testing server jprudent <jprudent@gmail.com> - 2011-05-17 01:32 -0700
Re: Configurable testing server Jorgen Grahn <grahn+nntp@snipabacken.se> - 2011-05-17 08:58 +0000
Re: Configurable testing server pk <pk@pk.invalid> - 2011-05-17 10:12 +0100
Re: Configurable testing server jprudent <jprudent@gmail.com> - 2011-05-17 03:30 -0700
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