0
votes
0answers
38 views

iperf udp sequence number wireshark

I'm using iperf for generating udp traffic and my objective is to measure paquet loss. I wanted to know if the first 4 Bytes of Iperf Data are currently the sequence number.
7
votes
1answer
358 views

Why is the “don't fragment” flag set in https and ssh protocols?

I've found a lot of information specifying that this is the case, however, I am really looking for the reason behind this. Why is it necessary? Is it necessary?
0
votes
3answers
1k views

Can Wireshark capture an entire Ethernet frame including preamble, CRC and Interframe spacing?

I am examining an Ethernet frame in Wireshark. According to the "Ethernet frame" Wikipedia article and accompanying diagrams, "A frame starts with a 7-octet preamble and 1-octet start frame delimiter ...
1
vote
1answer
193 views

What is the best way/tool to analyze raw data(network stats) from Simulation?

After running a simulation(using a simulator(QualNet)) of a simulated network I end up with ip stats stored in a database, I then extract the data to a csv file So now I have 750mb of raw network ...
1
vote
0answers
103 views

How to add TDS support to tshark?

How to add TDS (knowledge about MS SQL Server packets' structure) support for tshark? Currently, the situation is this: root@DEV:/# tshark -d . 2>&1| grep -i tds root@DEV:/# I.e: tshark does not ...
1
vote
1answer
331 views

What's a good proxy/tool to dynamically change the content of packets(TCP/UDP)

I am not sure if such tool exists, but I want to dynamically modify certain packets sent using my wireless network. More specifically, I want to modify packets sent from multiple machines (including ...
5
votes
2answers
5k views

Can 3G networks be packet sniffed / analyzed?

Just wondering if 3G networks can be sniffed like public wifi networks, via wireshark for example (I'm almost sure this is not possible due to encryption, but I just want to make sure?)
0
votes
1answer
206 views

How can I read a packet capture file from a Cisco RV 120W?

What program should I use? (the file is generated on RV 120W under Diagnostics section)
6
votes
4answers
4k views

Monitor number of bytes transferred to/from IP address on port

Can anyone recommend a linux command line tool to monitor the number of bytes transferred between the local server and a specified IP address/port. The equivalent tcpdump command would be: tcpdump ...
5
votes
2answers
8k views

How can I search the info column in WireShark?

WireShark | Windows I want to search a packet capture of SMTP traffic for specific addresses/messages. Normally, I just sort the info column and browse but it would be nice if I could just run a ...
0
votes
2answers
157 views

Identify Executable Creating Network Traffic

I've got some application on my Windows XP machine that is generating an HTTP request to aaronsw.com every half hour. We've trapped the packets in wireshark, but wireshark doesn't tell what ...
1
vote
3answers
1k views

Ntop monitoring - Hosts visible with no SPAN/mirroring

I am attempting to use ntop to monitor traffic over a Cisco Catalyst switch. I was assuming that in order to see any of the traffic, I'd have to use monitor, as described here: ...