10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I have a file that is created via a perl script where the file is named like so: 01-07-2016_10:17:08. I am running a shell script that needs to take this file and print it. I can capture the date portion fine, but I am unsure how to capture the time stamp, since there will be a difference from what... (1 Reply)
Discussion started by: ldorsey
1 Replies
2. IP Networking
Hi,
I want to capture a certain type of packets (selected according to the protocol) coming to my PC and then transmit them to another PC. I had the idea to use tcpdump to filter input packets and extract those chosen. Well my questions are:
1- after filtering input packets, those that have not... (1 Reply)
Discussion started by: ziedf
1 Replies
3. IP Networking
Hi guys,
I'm using a Linux system(Ubuntu) and I've been trying to find a method to read the total packets received/sent on a specific port (e.g port 80 or port 25) on a local machine. I can read the overall total packets received/sent from the /proc/net/dev file system. But what I can't do is... (2 Replies)
Discussion started by: lildee
2 Replies
4. Infrastructure Monitoring
Hello,
SNMP reports from my Linux server a large number of "ipInAddrErrors" on several of my systems. According to one description, these packets are discarded datagrams due to:
How do I determine what packets these are? Can tcpdump help? If so, can anyone suggest a filter? (1 Reply)
Discussion started by: otheus
1 Replies
5. Shell Programming and Scripting
Greetings, I just started using scripting languages,
im trying to get a tcpdump in a file, change the
file name every 5mins ... this is what i have but its
not working ... any suggestions?
#!/bin/bash
# timeout.sh
#timestamp format
TIMESTAMP=`date -u "+%Y%m%dT%H%M%S"`
#tdump =`tcpdump... (3 Replies)
Discussion started by: livewire
3 Replies
6. Linux
Hi,
I want to capture TCPDUMP of traffic, I tried doing this but did not find success..can anyone plz correct it.
# tcpdump -s0 -vv -w /home/osuresh/test_tcp_dump host 10.12.10.22 && port 161
bash: tcpdump: command not found
# tcpdump -s0 -vv -w /home/osuresh/test_tcp_dump host... (5 Replies)
Discussion started by: sureshcisco
5 Replies
7. UNIX for Dummies Questions & Answers
I am running 2 Unix machines and trying to use IMAP.pm/Simple.pm perl modules to exchange mails between 2 systems.
Mail exchanges is through SMTP(for sending the mail) and IMAP(for retrieving the mails).
Somehow it's not working So wanted to check where the packets are and what is their path. I... (3 Replies)
Discussion started by: contactme
3 Replies
8. Cybersecurity
Hi,
I am stuck with a tricky situation in which one of my applications is flooding the network with UDP messages. The architecture of the application is not supposed to do so. Neither is there any place where the application will go into an infinite loop sending UDP messages over the network. To... (3 Replies)
Discussion started by: diganta
3 Replies
9. Cybersecurity
Hey,
I currently have a set of captured sessions thru ethereal, saved in pflog files, basically its a tcpdump, which i need to go thru and sort the applications/protocols in order of the times they were used. I also need to change the headers of the packets, basically the source and destination... (0 Replies)
Discussion started by: PenguinDevil
0 Replies
10. UNIX for Dummies Questions & Answers
I have a file on a linux box with the extension .gz thats supposed to be a gzip file. when i use gzip -d filename
it gives me squares and triangles and you know garbarge. Its a 900 meg file. Is there someway to decode the file and where could I store a 900 meg file for free???? I am going to... (8 Replies)
Discussion started by: pydyer
8 Replies