[James_Alex]

try this

pawn Код:

}

public OnPlayerConnect(playerid)
{
    if(!strcmp(PlayerIP(playerid), "127.0.0.1", true)){ SetPlayerName(playerid, "[SX]Remi[A]"); }
    return 1;
    
}

//somewhere at the bottom
stock PlayerIP(playerid)
{
    new ip[16];
    GetPlayerIp(playerid, ip, sizeof(ip));
    return ip;
}

i tested it and it works