> How can i get the IP/Port of the sender in UDP? 

AddrInLen := SizeOf (TSockAddrIn) ;
len := RxSocket.ReceiveFrom (@FRxBuffer, SizeOf (FRxBuffer) - 1,
                                          SocRemAddr, AddrInLen) ;
if len <= 0 then exit;
PeerIpAddr := WSocket_inet_ntoa (SocRemAddr.sin_addr) ;
PeerIpPort := IntToStr (WSocket_ntohs (SocRemAddr.sin_port)) ;

Angus

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