The Hacker's Encyclopedia 1998

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************************************************************************ DDN MGT Bulletin 99 DISA DDN Defense Communications System 12 June 1992 Published by: DDN Network Info Center (NIC@NIC.DDN.MIL) (800) 365-3642 DEFENSE DATA NETWORK MANAGEMENT BULLETIN The DDN MANAGEMENT BULLETIN is distributed on-line by the DDN Network Information Center under DISA contract as a means of communicating official policy, procedures and other information of concern to management personnel at DDN facilities. Back issues may be read through the TACNEWS server ("@n" command at the TAC) or may be obtained by FTP (or Kermit) from the NIC.DDN.MIL host [192.112.36.5] using login="anonymous" and password="guest". The pathname for bulletins is ddn-news/ddn-mgt-bulletin-nn.txt (where "nn" is the bulletin number). ************************************************************************ Change of Architecture for MILNET/NSFNET Connectivity 1. This message provides important guidance and status information concerning communication between MILNET and the non-DoD Internet (e.g. NSFNET.) The following topics will be addressed: -The deployment of the new architecture between MILNET and NSFNET via the Internet Protocol routers (IPRs) on the DISN-NT Pilot Network. -Status of the Cisco IPRs as default gateways providing store-and-forward functionality for MILNET/NSFNET traffic. -Status of Mailbridges as route servers for MILNET subscriber gateways. 2. In an effort to provide more efficient and economical service to subscribers exchanging traffic between MILNET and NSFNET, a new routing architecture has been designed to interconnect MILNET and NSFNET via the Internet Protocol routers (IPRs) on the DISN-NT Pilot Network. In this architecture, 8 Cisco IPRs on the T1-backbone Pilot Network, together with the Cisco at FIX-West, will provide the store-and-forward functionality for traffic between MILNET and the rest of the Internet. The Mailbridges will continue to function as route servers for MILNET subscriber gateways, provide routing information via the External Gateway Protocol (EGP). Incoming traffic to the MILNET will be diverted to the IPR closest to the destination network. Outgoing traffic to NSFNET will be routed in two ways: - -MILNET hosts will statically default to the IPR closest to them, and - -MILNET gateways will obtain a dynamic default for NSFNET traffic via EGP updates from the Mailbridges. The default IPR will be advertized as the next hop to both the default NSFNET backbone network, 129.140.0.0 and to network 0.0.0.0 . Two assignment lists are given in this bulletin to provide MILNET users with the proper IPRs to use for defaults. One list (section 5) contains a primary and a secondary IPR for each PSN. This is to be used by MILNET hosts that need static default information. The other list (section 6) contains, for each PSN, the primary and secondary Mailbridges to use as EGP peers. This is for MILNET subscriber gateways which will obtain the default IPR dynamically from the Mailbridges via EGP updates. This routing architecture is planned to take effect on June 22, 1992. 3. In addition to the Ciscos at FIX-West and Ft. Detrick, the Cisco IPRs on the Pilot Network will be default gateways providing store-and-forward functionality for MILNET users. MILNET hosts that configure a static default gateway should follow the assignment list given in section 6. MILNET gateways will obtain the proper default IPR via EGP updates with the mailbridges. The IP address of the Cisco IPRs on the Pilot Network are: Detrick 26.29.0.54 Reston 26.29.0.104 Belvoir 26.29.0.142 Lewis 26.29.0.159 Huachuca 26.25.0.122 Gunter 26.24.0.13 Randolph 26.17.0.51 Oakland 26.29.0.207 Ames 26.19.0.26 Please note that the Cisco at FIX-West (Ames) is not yet connected to the Pilot Network via a T1 link. 4. DISA plans to deploy Mailbridge patch 18 on June 22, 1992 to accompany the deployment of the FIX-East architecture. In this patch, all Mailbridges will provide routing information about MILNET networks, one NSFNET backbone network, 129.140.0.0, and network 0.0.0.0 in their EGP updates. The Mailbridges will be configured with a list of IPRs to use as default gateways for traffic destined for NSFNET. The default IPR will be advertised as the next hop to BOTH network 129.140.0.0, the NSFNET backbone network, and to network 0.0.0.0. The list of default IPRs configured for each Mailbridge is as follows: MB 1 2 3 4 5 6 7 8 9 - -- - - - - - - - - - BMILAMES AMES OAK LEWI HUAC DETR RAND BELV GUNT DCEC (26.20.0.16) BMILRAN RAND DETR LEWI AMES HUAC BELV OAK DCEC GUNT (26.1.0.51) BMILANDR GUNT RAND DETR AMES BELV LEWI HUAC DCEC OAK (26.1.0.67) BMILISI HUAC AMES OAK DETR LEWI RAND BELV GUNT DCEC (26.6.0.103) BMILDCEC DCEC BELV DETR AMES GUNT HUAC RAND LEWI OAK (26.21.0.104) BMILOAK OAK LEWI HUAC AMES DETR RAND BELV GUNT DCEC (26.1.0.148) BMILRICH BELV GUNT DETR AMES DCEC HUAC RAND LEWI OAK (26.3.0.246) The Mailbridges will always advertise the first configured default gateway if it is reachable. If not, the second configured default gateway will be choosen, and so on. In order to provide MILNET subscriber gateways with more reliable routing information, the status of the Mailbridges as MILNET core route servers is constantly under review. It is likely that the core system, currently consisted of Mailbridges only, will be upgraded in the near future. Status updates and required modifications to subscriber gateways will be published as the plan matures." 5. Static Default Assignment This assignment provides MILNET users with a primary and a secondary IPR to use as static defaults for outbound traffic from MILNET to NSFNET. All hosts and gateways which cannot take advantages of dynamic routing should used the appropriate IPRs as their default gateways so that traffic within MILNET will be minimized. PSN Primary IPR Secondary IPR - --- ----------- ------------- 1 DETRICK RANDOLPH 2 DETRICK RANDOLPH 3 RANDOLPH HUACHUCA 4 DETRICK BELVOIR 5 DETRICK RANDOLPH 6 DETRICK RANDOLPH 7 DETRICK RANDOLPH 8 DETRICK RANDOLPH 9 DETRICK RANDOLPH 10 DETRICK RANDOLPH 11 GUNTER HUACHUCA 12 DETRICK BELVOIR 13 GUNTER BELVOIR 14 DETRICK BELVOIR 15 DETRICK RANDOLPH 16 AMES OAKLAND 18 RESTON DETRICK 20 LEWIS RANDOLPH 22 LEWIS RANDOLPH 23 LEWIS DETRICK 24 HUACHUCA BELVOIR 25 DETRICK RANDOLPH 26 BELVOIR DETRICK 28 LEWIS RANDOLPH 29 RESTON BELVOIR 30 RANDOLPH DETRICK 31 RANDOLPH DETRICK 32 LEWIS OAKLAND 35 RANDOLPH DETRICK 36 DETRICK RANDOLPH 37 BELVOIR GUNTER 38 DETRICK RANDOLPH 39 LEWIS DETRICK 41 GUNTER BELVOIR 42 RANDOLPH BELVOIR 43 AMES OAKLAND 44 BELVOIR DETRICK 45 RESTON BELVOIR 46 HUACHUCA RANDOLPH 47 HUACHUCA RANDOLPH 48 RANDOLPH DETRICK 50 DETRICK RANDOLPH 51 RANDOLPH DETRICK 52 DETRICK RANDOLPH 53 GUNTER BELVOIR 54 DETRICK RANDOLPH 55 DETRICK RANDOLPH 56 RANDOLPH DETRICK 59 RANDOLPH GUNTER 60 RESTON BELVOIR 61 GUNTER DETRICK 62 AMES OAKLAND 63 RANDOLPH DETRICK 64 GUNTER BELVOIR 65 AMES RANDOLPH 66 RESTON DETRICK 67 DETRICK RANDOLPH 68 AMES LEWIS 69 DETRICK RANDOLPH 70 RESTON BELVOIR 71 DETRICK RANDOLPH 72 RESTON DETRICK 74 RANDOLPH DETRICK 76 RESTON BELVOIR 77 AMES OAKLAND 78 LEWIS DETRICK 79 BELVOIR GUNTER 80 HUACHUCA AMES 81 BELVOIR DETRICK 82 AMES OAKLAND 83 GUNTER HUACHUCA 84 RANDOLPH BELVOIR 85 RANDOLPH HUACHUCA 86 BELVOIR OAKLAND 87 HUACHUCA RESTON 91 BELVOIR GUNTER 92 RANDOLPH RESTON 93 AMES LEWIS 94 GUNTER OAKLAND 96 BELVOIR GUNTER 98 BELVOIR DETRICK 99 GUNTER OAKLAND 100 AMES LEWIS 102 DETRICK RANDOLPH 103 AMES OAKLAND 104 RESTON BELVOIR 105 OAKLAND DETRICK 107 RANDOLPH DETRICK 108 RANDOLPH DETRICK 110 BELVOIR GUNTER 111 HUACHUCA DETRICK 112 GUNTER BELVOIR 113 GUNTER BELVOIR 114 DETRICK BELVOIR 115 DETRICK RANDOLPH 116 DETRICK RANDOLPH 117 AMES OAKLAND 118 RANDOLPH HUACHUCA 119 BELVOIR DETRICK 120 GUNTER BELVOIR 121 AMES OAKLAND 122 HUACHUCA RANDOLPH 123 RANDOLPH DETRICK 124 RANDOLPH DETRICK 125 OAKLAND DETRICK 126 OAKLAND AMES 127 RESTON DETRICK 128 LEWIS DETRICK 129 HUACHUCA RANDOLPH 130 RESTON BELVOIR 131 RANDOLPH HUACHUCA 132 RANDOLPH DETRICK 133 OAKLAND AMES 134 AMES LEWIS 135 OAKLAND AMES 136 DETRICK RANDOLPH 137 RANDOLPH DETRICK 138 RANDOLPH DETRICK 139 DETRICK HUACHUCA 140 HUACHUCA DETRICK 141 AMES LEWIS 142 BELVOIR GUNTER 143 GUNTER BELVOIR 145 AMES OAKLAND 146 DETRICK BELVOIR 147 BELVOIR GUNTER 148 OAKLAND AMES 149 DETRICK HUACHUCA 150 DETRICK BELVOIR 151 BELVOIR GUNTER 152 DETRICK BELVOIR 153 OAKLAND RANDOLPH 154 HUACHUCA DETRICK 155 DETRICK BELVOIR 156 DETRICK RANDOLPH 158 GUNTER BELVOIR 159 LEWIS OAKLAND 160 DETRICK RANDOLPH 161 GUNTER RANDOLPH 162 GUNTER BELVOIR 163 DETRICK RANDOLPH 164 DETRICK BELVOIR 166 DETRICK RANDOLPH 167 GUNTER RANDOLPH 168 AMES OAKLAND 170 LEWIS OAKLAND 171 AMES OAKLAND 172 BELVOIR GUNTER 173 AMES OAKLAND 174 HUACHUCA RANDOLPH 175 DETRICK RANDOLPH 176 RANDOLPH AMES 177 DETRICK BELVOIR 178 AMES OAKLAND 179 LEWIS OAKLAND 180 DETRICK RANDOLPH 182 AMES OAKLAND 184 DETRICK BELVOIR 185 DETRICK RANDOLPH 186 DETRICK RANDOLPH 187 DETRICK RANDOLPH 188 DETRICK RANDOLPH 189 DETRICK RANDOLPH 190 DETRICK RANDOLPH 191 DETRICK RANDOLPH 192 DETRICK BELVOIR 193 DETRICK RANDOLPH 194 DETRICK RANDOLPH 195 DETRICK BELVOIR 196 DETRICK BELVOIR 197 RANDOLPH GUNTER 198 HUACHUCA BELVOIR 200 BELVOIR DETRICK 201 BELVOIR GUNTER 202 RANDOLPH DETRICK 203 BELVOIR DETRICK 204 BELVOIR GUNTER 205 RESTON HUACHUCA 206 HUACHUCA RESTON 207 OAKLAND AMES 208 RANDOLPH DETRICK 209 RANDOLPH DETRICK 210 RANDOLPH DETRICK 211 RANDOLPH HUACHUCA 214 OAKLAND LEWIS 215 DETRICK RANDOLPH 216 BELVOIR GUNTER 217 BELVOIR GUNTER 218 OAKLAND LEWIS 219 OAKLAND LEWIS 220 LEWIS OAKLAND 221 AMES OAKLAND 222 AMES OAKLAND 223 AMES LEWIS 224 RESTON BELVOIR 226 HUACHUCA RANDOLPH 229 OAKLAND AMES 230 HUACHUCA BELVOIR 231 BELVOIR HUACHUCA 232 HUACHUCA RANDOLPH 235 HUACHUCA BELVOIR 236 DETRICK RANDOLPH 237 HUACHUCA RESTON 238 RANDOLPH DETRICK 241 HUACHUCA RANDOLPH 242 RANDOLPH DETRICK 243 BELVOIR HUACHUCA 244 RESTON HUACHUCA 246 BELVOIR RESTON 247 BELVOIR GUNTER 248 RANDOLPH DETRICK 249 DETRICK RANDOLPH 250 AMES OAKLAND - ------------------------------------ 6. EGP Server Assignment This assignment provides the MILNET gateways with the Mailbridges to use as primary and secondary EGP peers. This assignment ensures that outbound traffic from MILNET to NSFNET will be routed to the IPR closest to the gateway so that traffic within MILNET will be minimized. In order for outbound traffic to be routed optimally, it is ESSENTIAL for MILNET gateways to comply with the assignments in this list. As before, the list is based on MILNET PSNs. PSN Primary MB Secondary MB - --- ---------- ------------ 1 BMILDCEC BMILRAN 2 BMILANDR BMILRAN 3 BMILRAN BMILISI 4 BMILANDR BMILRICH 5 BMILDCEC BMILRAN 6 BMILANDR BMILRAN 7 BMILDCEC BMILRAN 8 BMILANDR BMILRAN 9 BMILDCEC BMILRAN 10 BMILDCEC BMILRAN 11 BMILANDR BMILISI 12 BMILANDR BMILRICH 13 BMILANDR BMILRICH 14 BMILANDR BMILRICH 15 BMILANDR BMILRAN 16 BMILAMES BMILOAK 18 BMILDCEC BMILRICH 20 BMILOAK BMILRAN 22 BMILOAK BMILRAN 23 BMILOAK BMILDCEC 24 BMILISI BMILRICH 25 BMILDCEC BMILRAN 26 BMILRICH BMILDCEC 28 BMILOAK BMILRAN 29 BMILDCEC BMILRICH 30 BMILRAN BMILDCEC 31 BMILRAN BMILDCEC 32 BMILOAK BMILAMES 35 BMILRAN BMILDCEC 36 BMILDCEC BMILRAN 37 BMILRICH BMILANDR 38 BMILANDR BMILRAN 39 BMILOAK BMILDCEC 41 BMILANDR BMILRICH 42 BMILRAN BMILRICH 43 BMILAMES BMILOAK 44 BMILRICH BMILDCEC 45 BMILDCEC BMILRICH 46 BMILISI BMILRAN 47 BMILISI BMILRAN 48 BMILRAN BMILDCEC 50 BMILRAN BMILRICH 51 BMILRAN BMILDCEC 52 BMILDCEC BMILRAN 53 BMILANDR BMILRICH 54 BMILRAN BMILRICH 55 BMILDCEC BMILRAN 56 BMILRAN BMILDCEC 59 BMILRAN BMILANDR 60 BMILDCEC BMILRICH 61 BMILANDR BMILDCEC 62 BMILAMES BMILOAK 63 BMILRAN BMILDCEC 64 BMILANDR BMILRICH 65 BMILAMES BMILRAN 66 BMILDCEC BMILANDR 67 BMILANDR BMILRAN 68 BMILAMES BMILOAK 69 BMILDCEC BMILRAN 70 BMILDCEC BMILRICH 71 BMILRAN BMILOAK 72 BMILDCEC BMILRICH 74 BMILRAN BMILDCEC 76 BMILDCEC BMILRICH 77 BMILAMES BMILOAK 78 BMILOAK BMILDCEC 79 BMILRICH BMILANDR 80 BMILISI BMILAMES 81 BMILRICH BMILDCEC 82 BMILAMES BMILOAK 83 BMILANDR BMILISI 84 BMILRAN BMILRICH 85 BMILRAN BMILISI 86 BMILRICH BMILOAK 87 BMILISI BMILDCEC 91 BMILRICH BMILANDR 92 BMILRAN BMILDCEC 93 BMILAMES BMILOAK 94 BMILANDR BMILOAK 96 BMILRICH BMILANDR 98 BMILRICH BMILDCEC 99 BMILANDR BMILOAK 100 BMILAMES BMILOAK 102 BMILANDR BMILRAN 103 BMILAMES BMILOAK 104 BMILDCEC BMILRICH 105 BMILOAK BMILDCEC 107 BMILRAN BMILDCEC 108 BMILRAN BMILDCEC 110 BMILRICH BMILANDR 111 BMILISI BMILDCEC 112 BMILANDR BMILRICH 113 BMILANDR BMILRICH 114 BMILANDR BMILRICH 115 BMILRAN BMILRICH 116 BMILANDR BMILRAN 117 BMILAMES BMILOAK 118 BMILRAN BMILISI 119 BMILRICH BMILDCEC 120 BMILANDR BMILRICH 121 BMILAMES BMILOAK 122 BMILISI BMILRAN 123 BMILRAN BMILDCEC 124 BMILRAN BMILDCEC 125 BMILOAK BMILDCEC 126 BMILOAK BMILAMES 127 BMILDCEC BMILRICH 128 BMILOAK BMILDCEC 129 BMILISI BMILRAN 130 BMILDCEC BMILRICH 131 BMILRAN BMILISI 132 BMILRAN BMILDCEC 133 BMILOAK BMILAMES 134 BMILAMES BMILOAK 135 BMILOAK BMILAMES 136 BMILDCEC BMILRAN 137 BMILRAN BMILDCEC 138 BMILRAN BMILDCEC 139 BMILRICH BMILISI 140 BMILISI BMILDCEC 141 BMILAMES BMILOAK 142 BMILRICH BMILANDR 143 BMILANDR BMILRICH 145 BMILAMES BMILOAK 146 BMILDCEC BMILRICH 147 BMILRICH BMILANDR 148 BMILOAK BMILAMES 149 BMILANDR BMILISI 150 BMILDCEC BMILRICH 151 BMILRICH BMILANDR 152 BMILANDR BMILRICH 153 BMILOAK BMILRAN 154 BMILISI BMILDCEC 155 BMILANDR BMILRICH 156 BMILANDR BMILRAN 158 BMILANDR BMILRICH 159 BMILOAK BMILAMES 160 BMILANDR BMILRAN 161 BMILANDR BMILRAN 162 BMILANDR BMILRICH 163 BMILRAN BMILRICH 164 BMILANDR BMILRICH 166 BMILDCEC BMILRAN 167 BMILANDR BMILRAN 168 BMILAMES BMILOAK 170 BMILOAK BMILAMES 171 BMILAMES BMILOAK 172 BMILRICH BMILANDR 173 BMILAMES BMILOAK 174 BMILISI BMILRAN 175 BMILRAN BMILRICH 176 BMILRAN BMILAMES 177 BMILANDR BMILRICH 178 BMILAMES BMILOAK 179 BMILOAK BMILAMES 180 BMILANDR BMILRAN 182 BMILAMES BMILOAK 184 BMILDCEC BMILRICH 185 BMILDCEC BMILRAN 186 BMILANDR BMILRAN 187 BMILANDR BMILRAN 188 BMILRAN BMILRICH 189 BMILDCEC BMILRAN 190 BMILDCEC BMILRAN 191 BMILDCEC BMILRAN 192 BMILDCEC BMILRICH 193 BMILDCEC BMILRAN 194 BMILDCEC BMILRAN 195 BMILDCEC BMILRICH 196 BMILDCEC BMILRICH 197 BMILRAN BMILANDR 198 BMILISI BMILRICH 200 BMILRICH BMILDCEC 201 BMILRICH BMILANDR 202 BMILRAN BMILDCEC 203 BMILRICH BMILDCEC 204 BMILRICH BMILANDR 205 BMILDCEC BMILISI 206 BMILISI BMILDCEC 207 BMILOAK BMILAMES 208 BMILRAN BMILDCEC 209 BMILRAN BMILDCEC 210 BMILRAN BMILDCEC 211 BMILRAN BMILISI 214 BMILOAK BMILAMES 215 BMILDCEC BMILRAN 216 BMILRICH BMILANDR 217 BMILRICH BMILANDR 218 BMILOAK BMILAMES 219 BMILOAK BMILAMES 220 BMILOAK BMILAMES 221 BMILAMES BMILOAK 222 BMILAMES BMILOAK 223 BMILAMES BMILOAK 224 BMILDCEC BMILRICH 226 BMILISI BMILRAN 229 BMILOAK BMILAMES 230 BMILISI BMILRICH 231 BMILRICH BMILISI 232 BMILISI BMILRAN 235 BMILISI BMILRICH 236 BMILANDR BMILRAN 237 BMILISI BMILDCEC 238 BMILRAN BMILDCEC 241 BMILISI BMILRAN 242 BMILRAN BMILDCEC 243 BMILRICH BMILISI 244 BMILDCEC BMILISI 246 BMILRICH BMILDCEC 247 BMILRICH BMILANDR 248 BMILRAN BMILDCEC 249 BMILANDR BMILRAN 250 BMILAMES BMILOAK -------------------------------------- All questions and issues should be addressed to the MILNET Monitoring Center Trouble Desks: (1) CONUS: 1-800-451-7413 or (703) 486-1982 or (DSN) 231-1787. (2) Europe: (ETS) 430-5532 or (MIL) 2729-5532 or (DSN) 314-430-5532 or (CIV) 011-49-680-5532 (3) Pacific: (808) 656-1472 or (DSN) 315-456-1472