Title: et the IP-Address bhind a router/proxy?
{
WennmanhintereinemRouteroderProxyseinerichtigeInternet-IPherausfindenmchte,
dannbrauchmandieHilfevoneinemexternenInternetserver,dereinemdieIPverrt.
RealisierbaristdiesmiteinerKombinationvonPERLundDELPHI.
DasfolgendePerlscriptmussaufeinenWebspace,derCGI/Perluntersttztgeladenwerden:
IfyouarebehindarouterorproxyandwanttogetyourrealInternet-IP-Addressthenyou
needthehelpofaexternInternetServer.ThatexternInternetserverhavetotellyouyour
realIp-Address.YoucanmakethiswithacombinationofPERLandDELPHI.
ThefollowingPERL-SCRIPTyouhavetouploadtoanWebspacewitchallowsPerl/CGI-access:
}
--------------------------------------------------------
#!/usr/local/bin/perl
useCGIqw/:standard/;
print"Content-type:text/html\n\n";
print"BEGINIP".$ENV{REMOTE_ADDR}."ENDIP";
--------------------------------------------------------
{
WenndieAdressedesScriptshttp://www.my-server.de/cgi-bin/GiveMeMyIp.plist,
dannistderDelphiQuelltext,umdieIPrauszufinden:
IftheaddressoftheScriptis"http://www.my-server.de/cgi-bin/GiveMeMyIp.pl"
thentheDelphi-CodetogetyourrealIPis:
}
procedureTForm1.Button1Click(Sender:TObject);
var
IPSTR,IP,HP:string;
BeginIP,EndIP,i:integer;
begin
Button1.Enabled:=False;
HP:=http://www.my-server.de/cgi-bin/GiveMeMyIp.pl;
NMHTTP1.Get(HP);
IPSTR:=(NMHTTP1.Body);
BeginIP:=Pos('BEGINIP',IPSTR)+Length('BEGINIP');
EndIP:=Pos('ENDIP',IPSTR);
IP:='';
fori:=BeginIPtoENDip-1do
begin
IP:=IP+IPstr[i];
end;
label1.Caption:=IP;
Button1.Enabled:=True;
end;