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Super User
Steffen Ullrich's user avatar
Steffen Ullrich's user avatar
Steffen Ullrich's user avatar
Steffen Ullrich
  • Member for 9 years, 4 months
  • Last seen this week
Profile Activity
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5,472
reputation
1.0m
reached
183
answers
0
questions
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About

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

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17
silver badges
21
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Top tags
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238
Score
104
Posts
57
Posts %
103
Score
22
Posts
12
Posts %
99
Score
38
Posts
21
Posts %
75
Score
38
Posts
21
Posts %
57
Score
18
Posts
10
Posts %
45
Score
24
Posts
13
Posts %
Top posts
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All Questions Answers
Score Newest
answer
28
What is NSS error -5961 (PR_CONNECT_RESET_ERROR)
May 18, 2015
answer
17
gen pubkey openssl ed25519
May 2, 2018
answer
14
How do I debug an emoticon-based URL?
Oct 5, 2016
answer
13
s_client not failing on revoked certifcate?
Apr 16, 2014
answer
12
Why are Root CAs with SHA1 signatures not a risk
Sep 8, 2016
answer
12
Why do some websites change SSL certificates so frequently?
Oct 5, 2021
answer
11
FTP - 425 Can't open data connection (Active Mode does not work)
Dec 2, 2014
answer
7
Self-signed wildcard certificate
Nov 13, 2018
answer
7
curl and sni-enabled server
Aug 7, 2014
answer
7
FTP Not Working with Mobile Tethering
Feb 22, 2015
Top network posts
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484
SQL injection is 17 years old. Why is it still around?
403
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?

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