A PPPoE implementation for linux
ALS'00 Proceedings of the 4th annual Linux Showcase & Conference - Volume 4
Provider-based deterministic packet marking against distributed DoS attacks
Journal of Network and Computer Applications
Inferring and debugging path MTU discovery failures
IMC '05 Proceedings of the 5th ACM SIGCOMM conference on Internet Measurement
Measuring path MTU discovery behaviour
IMC '10 Proceedings of the 10th ACM SIGCOMM conference on Internet measurement
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As the security threats on the Internet are becoming more prevalent, firewalls and other forms of protection are becoming more commonplace. Unfortunately, improperly configured firewalls can cause a variety of problems. One particularly nasty problem is when a firewall administrator chooses to use - or continue using - Path MTU Discovery (a good choice in most situations), but blocks packets required for the protocol to work: ICMP type 3 code 4 packets. This problem, the Path MTU Discovery Black Hole, has been discussed many times before. However with under- 1500 MTU protocols such as PPPoE becoming common for both home and business high-speed connections, this problem is affecting more people than ever before.