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Dec
10
comment What key exchange mechanism should be used in TLS?
is DHE_DSA a typo?
Jun
3
comment Dangers of opening up a wide range of ports? (mosh)
@NicholasTolleyCottrell Would SO_REUSEPORT mitigate this?
Apr
5
comment How does a country block its citizens from accessing a site?
You can only route around connection problems. TCP and DNS have no way built-in way to verify integrity. The quote is misleading.
Mar
5
comment Why can we still crack snapchat photos in 12 lines of Ruby?
what if the architecture has tamper-proof parts? see one time programs
Nov
19
comment How can a certificate be valid in the Hybrid Model but not in the Chain Model?
The CRL's are not defined until assignment D (as you can see in the Dropbox link), so I didn't put them here. I don't think they are relevant for this assignment. Time stamps are not mentioned anywhere in the exam (as you can see). Anyway, thank you for your answer.
Nov
19
comment How can a certificate be valid in the Hybrid Model but not in the Chain Model?
here's the original assignment and solution as PDF: dl.dropbox.com/u/266257/SS07_Loesung.pdf
Nov
18
comment What alternatives are there when SSH is being actively filtered?
how do I do this in practice? lower the MTU?