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Minimal SSL certificate collector

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Alexandre Dulaunoy 2015-02-01 18:24:19 +01:00
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Building your own SSL certificate collector
===========================================
In order to build your own collector box for SSL certificate, ssldump
is required. The best is clone my ssldump version including recent
patches and some fixes for tapping monitored uplinks.
~~~~
git clone https://github.com/adulau/ssldump.git
cd ssldump
./configure --with-pcap-lib=/usr/lib/x86_64-linux-gnu/
~~~~
ssldump needs to be built *WITHOUT* OpenSSL support. We gather the raw
certificate extracted with ssldump directly.
Starting collection
===================
To test the compiled ssldump binary:
~~~~
cd ssldump
sudo ./ssldump -ANn -i eth1
~~~~
To test the parsing of the raw certificates:
~~~~
cd ssldump
sudo ./ssldump -ANn -i eth1 | python ../crl-monitor/bin/x509/pcal-sslcert.py -v
~~~~
Feeding the certificate store: