network topology

#-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
# network topology
# `````````````````
#     ----------------            ------------                   LAN
#   (                  )  Phone  |            |                Machines
#  (  Big Bad Internet  )--------| ADSL Modem |
#   (                  )  Line   |            |    100-Base-T
#     ----------------            ------------       Switch     -----
#                                       |               -------|     |
#                             Public IP | X_WORLD      |        -----
#                                       |              |        -----
#                                 -------------        |     --|     |
#                                |  ppp0/eth0  |      ---   |   -----
#         optional               |             |     | \ |--    -----
#          second     - - - - - -|         eth1|-----|/ /|-----|     |
#         localnet               |             |     | \ |--    -----
#                                |  Firewall   |      ---   |   -----
#                                 -------------        |     --|     |
#                                                      |        -----
#                                                      |        -----
#                                                       -------|     |
#                                               X_LOCAL         -----
#                                               192.168.1.0/24
#

Please visit the new firewall page.