Dial up or Broadband?
Firewall and antivrus?
Have you patched the game? click here
Novaworld do reply but it can take up to a week.
Damm DF2 is still going...I remember TKOTH sniping 600m out. 1 and a bit seconds the delay was from firing to a death, becasue of the range - not lag.
There was 3 of us on one game but that was KOTH and we teamed up...god i think i'm gonna reinstall it.