Category Archives: en

Easy SSLv3 "poodle" vulnerability test (and the fix for Jboss/Tomcat)

Posted on 20/10/2014 by dariusz.cieslak

Recently new vulnerability ("poodle") has been discovered in SSLv3 protocol. "man in the middle" attack could be performed using protocol version negotiation feature built into SSL/TLS to force the use of SSL 3.0 then exploit the "poodle" vulnerability. In order … Continue reading →

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Simple mailing list on Debian in 3 simple steps

Posted on 13/09/2014 by dariusz.cieslak

Few days ago I launched simple low-traffic mailing list using naive /etc/aliases method, but got the following error: <example1@onet.pl> (expanded from <example@myserver.com>): host mx.poczta.onet.pl[213.180.147.146] said: 554 5.7.1 <example1@onet.pl>:= Recipient address rejected: Spf check: fail (in reply to RCPT TO command) … Continue reading →

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Automated RTP headers analysis

Posted on 07/08/2014 by dariusz.cieslak

IPTV technology delivers video streams using fast, but not reliable protocols (UDP). Those connection-less protocols do not guarantee delivery nor retransmissions of missing packets. We have to accept low video quality for some networks or add another layer above basic … Continue reading →

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Wavemon – monitor your WIFI connection quality

Posted on 16/04/2014 by dariusz.cieslak

The old truth that everyone who spends days on business trips: hotels generally suck at local Internet delivery service. The least important service in hotel is pretty crucial if you depend on it to finish some work after business hours. … Continue reading →

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"Keep It Simple, Stupid" by UK goverment

Posted on 15/04/2014 by dariusz.cieslak

I was searching for current UK VAT rates as my client operates on this marked and found the following official page that was a delight for my eyes: Compare that with all that bloat you expect from your government and … Continue reading →

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