How packet is transmitted over the network? [closed]

Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Server Fault. Closed 4 years ago. Improve this question I am writing discrete event-driven simulator to measure time between sending datasets over network. If multiple processes sends n packets through network they … Read more

Why do different packet analyzers sometimes produce different results?

I ran wireshark and windump at the same time. Both packet analyzers use the same winpcap library. However after doing a row by row comparison of the results I noticed both every column between the 2 matches except for the protocol and info columns, 40% of the protocol column values did not match even though … Read more

How many data packets does it take to log in to facebook? [closed]

Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Server Fault. Closed 7 years ago. Improve this question I want to find out how many packets are sent when visiting a site on the web. What’s a good program that would … Read more

pktmon : Failed to add filter: The system cannot find the file specified

Why am I getting these errors? PS > pktmon filter add -i 216.239.32.10 pktmon : Failed to add filter: The system cannot find the file specified. At line:1 char:1 + pktmon filter add -i 216.239.32.10 + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : NotSpecified: (Failed to add f…file specified.:String) [], RemoteException + FullyQualifiedErrorId : NativeCommandError PS > pktmon … Read more

Simple IP load balancer for web service that runs on Windows XP or Windows 7 Professional?

I’ve a closed code application that needs to connect to a web service that needs to run on XPs or Windows 7 (desktop). The application can only connect to a single IP address. The application is low volume – less than 1000 HTTP GETs a day. The system flow is: Client application –> HTTP –> … Read more

block all packets in windows 7 (so nothing appears in wireshark)? Can anything locally installed do it?

is it possible to block all packets in windows 7, so that nothing appears in wireshark? I have tried choosing Block all for incoming. for outgoing, I see it has no block all option, just a block option so it’s a whitelist. I tried that and disabling all the allow rules in incoming and outgoing. … Read more

Wireshark not displaying GET or POST data [closed]

Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Server Fault. Closed 8 years ago. Improve this question I’m a student and I’m taking my first networking class. I’m working on an assignment designed to get me used to using Wireshark … Read more

Is it Possible to Capture All HTTP Packets to a Target IP on a subnet?

I’ve been trying to use tcpdump to capture packets to a target IP on my subnet, but am unable to do so successfully. I’ve tried: tcpdump -i eth0 net network-ip-address/27 -A and tcp port 80 But it only gives me the packets I send from my IP to the target IP, not the packets other … Read more

Capturing network traffic (rtmp) between VMs or using loopback in the same VM using wireshark

I need to to capture RTMP traffic between two virtual machines (server and client) or atleast have the server and client on the same machine and capture the traffic. I am able to capture the traffic if I run wireshark on the host rather than on the VMs. But I need to capture it on … Read more

Log http data in unique files using tcpick

I’m trying to use tcpick to log http data in unique files (client and server mixed together). This is one of the examples from tcpick‘s man page: $ tcpick -i eth0 “port 80” -wRub I expected this to write the tcp stream to a file named <ip_client>_<ip_server>_<port_server>.tcpick, but it seems that no file gets written … Read more