| Special thanks to the following people for their useful contributions : | |
| - Aleksandar Lazic and Klaus Wagner : ability to learn application cookies. | |
| - Cameron Simpson : code reviews and many cleanups. | |
| - Dan Zinngrabe : Makefile for MacOS 10.4 / Darwin. | |
| - Sin Yu : preliminary virtual host support and rbtree for the scheduler. | |
| - Marcus Rueckert : support for username/groupname. | |
| - Bryan Germann : option to exempt some sources from x-forwarded-for. | |
| - Fabrice Dulaunoy : health-checks on different addresses |