Good tool for testing socket connections

Question

I m writing a tcp ip client and I would need a  test server  to be able to test easily  It should listen on a configurable port  show me when a client connects and what the client sent  allow me to manually enter text to send to the client  It should work on Windows   Normally I would have use the simple but powerfull nc exe  alias  Netcat  available as well on Unix as on Windows  but the antivirus detects it as an  hacker tool  so that my system administrator doesn t want me to use it at work   Does anyone use another tool to test socket connections and is happy with it

User · Accepted Answer

Hercules is fantastic  It s a fully functioning tcp udp client server  amazing for debugging sockets  More details on the web site

User · Answer

Another tool is tcpmon  This is a java open-source tool to monitor a TCP connection  It s not directly a test server  It is placed in-between a client and a server but allow to see what is going through the  tube  and also to change what is going through

User · Answer

I would go with netcat too   but since you can t use it   here is an alternative   netcat     You can find netcat implemented in three languages   python ruby perl     All you need to do is install the interpreters for the language you choose   Surely   that won t be viewed as a hacking tool    Here are the links    Perl implementation  Python implementation  Ruby Implementation

User · Answer

In situations like this  why not write your own  A simple server app to test connections can be done in a matter of minutes if you know what you re doing  and you can make it respond exactly how you need to  and for specific scenarios

User · Answer

Try Wireshark or WebScarab second is better for interpolating data into the exchange  not sure Wireshark even can   Anyway  one of them should be able to help you out

User · Answer

I also found a tool called TCP IP Test Server  Edit  no longer available from the original developer  but still available via Brothersoft  which seems to do what I need too  But I didn t try it because it is not listed on big freeware-sites  like CNET     and no source code is published so that it won t reassure a paranoid sysadmin

User · Answer

netcat  nc exe  is the right tool   I have a feeling that any tool that does what you want it to do will have exactly the same problem with your antivirus software   Just flag this program as  OK  in your antivirus software  how you do this will depend on what type of antivirus software you use    Of course you will also need to configure your sysadmin to accept that you re not trying to do anything illegal

[windows] Good tool for testing socket connections?

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