Questions tagged [packet]
99 questions
-1
votes
1 answer
Set udp packet size limit
I have a CentOS server with a JAVA application that receive UDP data packets, it works all OK until the packet is bigger than 584 bytes, I read something about and seems to be a limit of UDP protocol.
My bigger packet is 631 bytes length(payload)
I…

E_Blue
- 101
- 1
- 7
-1
votes
1 answer
How do routers manage multiple data streams?
Routers manage data connections between the internet and computers or connections between computers on a LAN. It makes sense that when, for example, a computer requests music from Pandora, that packets containing music data from Pandora are routed…

joshreesjones
- 111
- 3
-1
votes
2 answers
What happens when an unexpected packet arrives at a computer?
I have been wondering this for a few days. I basically understand how networks and packets work. But what happens when an unexpected packet arrives? Like, when I didn't send a request for a website's index, but it sends the index to my machine…

user156212
- 11
- 1
-1
votes
1 answer
Checking HTTP response for website using Wireshark
Is there a specific way to know if the file that we download through a web server (e.g.: Java) can be verified through Wireshark?
I want to check if the file is working perfectly from internal and external site.

newbie.my
- 101
- 4
-1
votes
1 answer
What is signature in a packet payload?
What is a signature in a packet payload?
Why are they even necessary ?
Also traffic classifiers use signature to detect the type of protocol of packet like there are regular expressions for http signature and ftp signature.

David Roonie
- 3
- 2
-2
votes
1 answer
How many data packets does it take to log in to facebook?
I want to find out how many packets are sent when visiting a site on the web. What's a good program that would help me get this kind of data?

Jacksonkr
- 465
- 1
- 7
- 16
-3
votes
1 answer
Linux firewall packet handling
When a client communicates with a the server via HTTP, for example, there are many packets going in both directions. It means from the client to the server and vice versa.
I would like to ask how exactly Linux firewall or iptables installed on the…

user375197
- 1
- 3
-3
votes
1 answer
iptables rules for blocking specific packets
Im using the following iptables rule:
iptables -A INPUT -p tcp -m tcp --tcp-flags PSH,ACK PSH,ACK -m length --length 52 -m state --state ESTABLISHED -j DROP
It does it's job for blocking the unwanted packet from my server , but it also blocks…

Adrian Nica
- 1
- 1
- 3
-5
votes
1 answer
How packet is transmitted over the network?
I am writing discrete event-driven simulator to measure time between sending datasets over network.
If multiple processes sends n packets through network they (packets) will go one after one through link or they will simultaneously share network via…

Kenenbek Arzymatov
- 93
- 3