ngrep is a grep variant for parsing text from network protocol data.
Questions tagged [ngrep]
20 questions
0
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2 answers
Monitor socket with ngrep or perl for activity, then issue command
I'd like to use ngrep and/or perl to monitor the incoming data stream on a socket, then, when the appropriate characters arrive, like in this case, the string "192.168.1.101:8080", input to the data stream a redirect to another ipaddress, such as…

Lester Kahn
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Passing regex file to Ngrep to check pcap
I have a pcap file and a file of regular expressions.
The regular expressions file consists of more than 20 regular expressions like this:
[Pp][Oo][Ss][Tt]
.*fpleq.*po
put{0,1}
.
.
.
Now, I know how to give a single regular expression to check in a…

Xara
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Python and NGREP
I want to be able to start and stop an NGREP process from inside my python code. I really dont have experience with python on a system level.
Normally I run NGREP from the command line, but I would like to be able to run it from a script every hour…

Dave
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"error: 'struct udphdr' has no member named 'source'" ... huh?
I'm trying to compile a program called ngrep, and when I ran configure, things seemed to go well, but when I run make, I get:
ngrep.c: In function ‘process’:
ngrep.c:544: error: ‘struct udphdr’ has no member named ‘source’
ngrep.c:545: error:…

raldi
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creating 2 variables from a multiple pattern grep
I am attempting to create a proof of concept bash script to scan the network using ngrep, find appropriate cookies and then place them into a variable.
cook=`ngrep -s 1000 -l -q -d eth1 "Cookie:" tcp and port 80 |
grep -m 1 -Po '(?<=user=)[^;]+'`…

user1818720
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