On Thu, 16 Apr 2009, Thomas Jacob wrote: > On Thu, 2009-04-16 at 18:34 +0200, Thomas Jarosch wrote: > > Hello Thomas, > > > Interesting findings. The "IPT_BASE_CTL" socket operation usually starts > > at 64 and then various operations get added to it by incrementing the value. > > > > ipset's socket operations use absolute values like 0x201, > > I'm wondering if they were registered somewhere or just "allocated". > > include/linux/netfilter_ipv4/ip_set.h > > /* > * A sockopt of such quality has hardly ever been seen before on the > open > * market! This little beauty, hardly ever used: above 64, so it's > * traditionally used for firewalling, not touched (even once!) by the > * 2.0, 2.2 and 2.4 kernels! > * > * Comes with its own certificate of authenticity, valid anywhere in the > * Free world! > * > * Rusty, 19.4.2000 > */ > #define SO_IP_SET 83 > > But maybe someone on the list who remembers how this number got > to be can comment on the issue ;) Maybe Joakim Axelsson or Rusty could answer it, if they remember how that number was figured out. Best regards, Jozsef - E-mail : kadlec@xxxxxxxxxxxxxxxxx, kadlec@xxxxxxxxxxxx PGP key : http://www.kfki.hu/~kadlec/pgp_public_key.txt Address : KFKI Research Institute for Particle and Nuclear Physics H-1525 Budapest 114, POB. 49, Hungary -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html