| Port No. | Protocol | Service | Description |
|---|
| 200 | tcp/udp | src | IBM System Resource Controller |
| 201 | tcp/udp | at-rtmp | AppleTalk Routing Maintenance |
| 202 | tcp/udp | at-nbp | AppleTalk Name Binding |
| 203 | tcp/udp | at-3 | AppleTalk Unused |
| 204 | tcp/udp | at-echo | AppleTalk Echo |
| 205 | tcp/udp | at-5 | AppleTalk Unused |
| 206 | tcp/udp | at-zis | AppleTalk Zone Information |
| 207 | tcp/udp | at-7 | AppleTalk Unused |
| 208 | tcp/udp | at-8 | AppleTalk Unused |
| 209 | tcp/udp | qmtp | The Quick Mail Transfer Protocol |
| 210 | tcp/udp | z39.50 | ANSI Z39.50 |
| 211 | tcp/udp | 914c/g | Texas Instruments 914C/G Terminal |
| 212 | tcp/udp | anet | ATEXSSTR |
| 213 | tcp/udp | ipx | IPX |
| 214 | tcp/udp | vmpwscs | VM PWSCS |
| 215 | tcp/udp | softpc | Insignia Solutions |
| 216 | tcp/udp | CAIlic | Computer Associates Int'l License Server |
| 217 | tcp/udp | dbase | dBASE Unix |
| 218 | tcp/udp | mpp | Netix Message Posting Protocol |
| 219 | tcp/udp | uarps | Unisys ARPs |
| 220 | tcp/udp | imap3 | Interactive Mail Access Protocol v3 |
| 221 | tcp/udp | fln-spx | Berkeley rlogind with SPX auth |
| 222 | tcp/udp | rsh-spx | Berkeley rshd with SPX auth |
| 223 | tcp/udp | cdc | Certificate Distribution Center |
| 224 | tcp/udp | masqdialer | masqdialer |
| 225-241 | tcp/udp | # | Reserved |
| 242 | tcp/udp | direct | Direct |
| 243 | tcp/udp | sur-meas | Survey Measurement |
| 244 | tcp/udp | inbusiness | inbusiness |
| 245 | tcp/udp | link | LINK |
| 246 | tcp/udp | dsp3270 | Display Systems Protocol |
| 247 | tcp/udp | subntbcst_tftp | SUBNTBCST_TFTP |
| 248 | tcp/udp | bhfhs | bhfhs |
| 249-255 | tcp/udp | # | Reserved |
| 256 | tcp/udp | rap | RAP |
| 256 | tcp |
# | FW1
Certificate/key distribution. VPN clients
(SecuRemote) can download keys on this port. |
| 257 | tcp/udp | set | Secure Electronic Transaction |
| 257 | tcp |
# | FW1
logging |
| 258 | tcp/udp | yak-chat | Yak Winsock Personal Chat |
| 258 | tcp |
# | FW1
Remote control over policy editing. |
| 259 | tcp/udp | esro-gen | Efficient Short Remote Operations |
| 260 | tcp/udp | openport | Openport |
| 261 | tcp/udp | nsiiops | IIOP Name Service over TLS/SSL |
| 262 | tcp/udp | arcisdms | Arcisdms |
| 263 | tcp/udp | hdap | HDAP |
| 264 | tcp/udp | bgmp | BGMP |
| 264 | tcp |
# | FW1_topo
FW1 can be flooded on this port in order to cause
CPU utilization to reach 100% and stopping managers
from connecting. However, it requires a fast link and
access to that port, probably from the local network. |
| 265 | tcp/udp | x-bone-ctl | X-Bone CTL |
| 266 | tcp/udp | sst | SCSI on ST |
| 267 | tcp/udp | td-service | Tobit David Service Layer |
| 268 | tcp/udp | td-replica | Tobit David Replica |
| 269-279 | tcp/udp | # | Unassigned |
| 280 | tcp/udp | http-mgmt | http-mgmt |
| 281 | tcp/udp | personal-link | Personal Link |
| 282 | tcp/udp | cableport-ax | Cable Port A/X |
| 283 | tcp/udp | rescap | rescap |
| 284 | tcp/udp | corerjd | corerjd |
| 285 | tcp/udp | # | Unassigned |
| 286 | tcp/udp | fxp | FXP Communication |
| 287 | tcp/udp | k-block | K-BLOCK |
| 288-299 | tcp/udp | # | Unassigned |