Re: [swinog] Rate-Limiting ICMP

2003-09-16 Thread Lukas Beeler
* Fredy Kuenzler [EMAIL PROTECTED]: We seem to experience quite a bit of ICMP DOS attacks. The come along in waves, which makes some devices within our backbone stumble and loosing packets. DoS, or the well known nacchi worm? (Nacchi uses 92byte Packets exclusively, so it should be easy to

Re: [swinog] e-mail blacklists / RBL etc..

2003-09-25 Thread Lukas Beeler
* Steven Glogger [EMAIL PROTECTED]: what do you use additionally? good experiences? I do not use any DNS-based IP Blacklists, because i think they do more harm, then they help. Have you ever considered using a Content-Filter like spamassassin (rules based, bayesian optional), or bogofilter

Re: [swinog] LPI Certification - worth anything?

2004-05-06 Thread Lukas Beeler
* Roman Hochuli [EMAIL PROTECTED]: The main problem can be found in our schools. They teach old stuff and aren't up to date. Teachers which dont know anything about OOP shouldn't teach application engineering. I cannot agree on that. Better learn to programm in procedural languages