Windows Server 2012 Portfowarding

Hello, i just portfoward my server from Windows Server 2012 . i open samp-server.exe but my server are not hosted at internet. other player can't join it.

Code:

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TCP: 7777
UDP: 7777

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Code:

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echo Executing Server Config...
lanmode 0
rcon_password mypass
maxplayers 50
port 7777
hostname My Samp Server
gamemode0 grandlarc 1
filterscripts gl_actions gl_realtime gl_property gl_mapicon ls_elevator attachments skinchanger vspawner ls_mall ls_beachside
announce 0
chatlogging 0
weburl [url]http://ift.tt/1Q1jBbL;
onfoot_rate 40
incar_rate 40
weapon_rate 40
stream_distance 300.0
stream_rate 1000
maxnpc 0
logtimeformat [%H:%M:%S]
language English

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Code:

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i also already change the gamemode name to grandlarc,  lanmode from 0 to 1 , annouce 0 to 1 .
its dosen't work too.

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