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Steffen Ullrich's user avatar
Steffen Ullrich's user avatar
Steffen Ullrich's user avatar
Steffen Ullrich
  • Member for 12 years
  • Last seen more than a week ago
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14,325
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2.0m
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346
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About

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

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966
Score
266
Posts
77
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308
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61
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18
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46
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13
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39
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156
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Top posts

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59
Failed tls handshake. Does not contain any IP SANs
Jul 9, 2014
43
What does "tlsv1 alert unknown ca" mean?
Aug 2, 2016
29
Do I have to restart after a library update on Linux?
Feb 18, 2016
27
HTTPS doesn't work with Safari
Oct 25, 2018
21
Is it possible to redirect an https connection before SSL is checked using haproxy?
Sep 4, 2016
20
Meaning of ssl_ciphers line on nginx.conf
May 14, 2015
20
Is the Host: header required over SSL?
Apr 13, 2021
20
Getting an intermediate SSL certificate
Jun 17, 2014
18
Under HTTP2, how often are new TCP connections initiated?
Jan 31, 2016
17
Serving port 443 over http creates 400 Bad Request Error instead of redirect
Sep 18, 2016

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?