read tcpdump output

himy lecturer ask me to write a java program which can read and alter a tcpdump output. any api which can let me do that?thanks a lot

[154 byte] By [imin83a] at [2007-10-2 16:49:28]

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# 1

java.net.*

CeciNEstPasUnProgrammeura at 2007-7-13 18:00:47 >

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# 2

> java.net.*Wait a minute. Read and alter the output? java.io.*, java.util.*

CeciNEstPasUnProgrammeura at 2007-7-13 18:00:47 >

# 3

thanks a lot for the fast reply.erm, can u show me a brief example? just a very short one will do.. or point me to where can i get it?thanks a lot

imin83a at 2007-7-13 18:00:47 >

# 4

forgot to tell u that the tcpdump output is not in plaintext ... cause if i opened it using text editors like notepad it will only display some strange characters...

imin83a at 2007-7-13 18:00:47 >

# 5

A brief example for what? Reading a file? Dealing with a data format that you can't specify better than "notepad shows strange characters"?

CeciNEstPasUnProgrammeura at 2007-7-13 18:00:47 >

# 6

> the tcpdump output is not in plaintextIf you would rather be working with plaintextpipe it through$ od -txCor something.

tschodta at 2007-7-13 18:00:47 >

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read tcpdump output

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