Sever - Could not open connection to the host, on port 8081: Connect failed

[IAmResheph]

i do not understand why this port does not work, any suggestions?

C:\Program Files (x86)\Steam\SteamApps\common\7 Days To Die>if exist "Tools/bin/
putty.exe" ("Tools/bin/putty.exe" -telnet localhost 8081 ) else (telnet localho
st 8081 )
Connecting To localhost...Could not open connection to the host, on port 8081: C
onnect failed

C:\Program Files (x86)\Steam\SteamApps\common\7 Days To Die>pause
Press any key to continue . . .

[IAmResheph]

My mistake, WinXP Pro64, i can get into port 8080, this is my only problem.