The dm_oldport.rar file you have requested: Maps Levels Missions / Deathmatch / O to P Titles / Half-Life 2: DM Old Port Map - 5.45mb is not available. Perhaps try browsing all files for the game Half-Life 2 and upload any files you want to share or are missing. This is the only information we could locate:
For more information on Half-Life 2, visit Halflife2.filefront.com This is a nicely done Half-life 2 deathmatch map by xitis. It is, as the name states, based on an old ship port. I believe it is mainly an outdoor map using mostly default textures and is recommended for up to 18 players.