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Network Engineering
Steffen Ullrich's user avatar
Steffen Ullrich's user avatar
Steffen Ullrich's user avatar
Steffen Ullrich
  • Member for 12 years, 1 month
  • Last seen this week
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About

IT-Security, SSL/TLS, network programming, machine learning, Perl, Python, C, Go ...

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226
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Posts
90
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Top posts

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17
Server does not send FIN ACK response, but instead ACK with "out of range" Ack number increased by 1 byte
Nov 4, 2025
14
Why maximum length of IP, TCP, UDP packet is not suit?
Feb 26, 2019
13
Is there a way to ignore client's TCP FIN and keep TCP connection?
Feb 6, 2016
13
Do these 2 packets belong to the same tcp socket?
Dec 14, 2020
12
How is a TCP connection maintained over a changing IP address
Oct 19, 2014
12
What happens upon abrupt network disconnect?
Feb 9
12
Do all TCP packets from same http request take same route? If not, how can I better understand where each went?
Dec 23, 2024
11
Packet forwarding in TCP vs UDP
Nov 23, 2014
9
TCP's three-way handshake and Denial of Service attack
May 9, 2018
7
Why server cannot send data in TCP three-way handshaking?
Jun 2, 2019

Top network posts

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488
SQL injection is 17 years old. Why is it still around?
470
curl: (35) error:1408F10B:SSL routines:ssl3_get_record:wrong version number
187
Why do phishing e-mails use faked e-mail addresses instead of the real one?
161
Should I be worried of tracking domains on a banking website?
138
Why should browser security be prioritized?