소켓 통신시 자주 발생하는 에러 메세지 (NativeErrorCode, Win32Exception)

ERROR 111 :: Connection refused

일반적인 접속 실패 메시지 입니다.
외부 에서 접속 할 수 없는 포트 번호 입니다..

ERROR 113 :: No route to host

공유기 등을 사용중으로 생각 됩니다.
일반적으로 80 포트에 접속은 하겠지만
공유기 관리 화면에 접속 되게 됩니다.
포트 포워딩 방법으로 내부 컴퓨터로 포워딩 시켜 주시거나
DMZ 세팅을 하시면 접속이 가능할 수 있습니다.

* 참  고 * 소켓 에러 번호에 따른 내용

Socket error 0 - Directly send error
Socket error 10004 - Interrupted function call
Socket error 10013 - Permission denied
Socket error 10014 - Bad address
Socket error 10022 - Invalid argument
Socket error 10024 - Too many open files
Socket error 10035 - Resource temporarily unavailable
Socket error 10036 - Operation now in progress
Socket error 10037 - Operation already in progress
Socket error 10038 - Socket operation on non-socket
Socket error 10039 - Destination address required
Socket error 10040 - Message too long
Socket error 10041 - Protocol wrong type for socket
Socket error 10042 - Bad protocol option
Socket error 10043 - Protocol not supported
Socket error 10044 - Socket type not supported
Socket error 10045 - Operation not supported
Socket error 10046 - Protocol family not supported
Socket error 10047 - Address family not supported by protocol family
Socket error 10048 - Address already in use
Socket error 10049 - Cannot assign requested address
Socket error 10050 - Network is down
Socket error 10051 - Network is unreachable
Socket error 10052 - Network dropped connection on reset
Socket error 10053 - Software caused connection abort
Socket error 10054 - Connection reset by peer
Socket error 10055 - No buffer space available
Socket error 10056 - Socket is already connected
Socket error 10057 - Socket is not connected
Socket error 10058 - Cannot send after socket shutdown
Socket error 10060 - Connection timed out
Socket error 10061 - Connection refused
Socket error 10064 - Host is down
Socket error 10065 - No route to host
Socket error 10067 - Too many processes
Socket error 10091 - Network subsystem is unavailable
Socket error 10092 - WINSOCK.DLL version out of range
Socket error 10093 - Successful WSAStartup not yet performed
Socket error 10094 - Graceful shutdown in progress
Socket error 11001 - Host not found
Socket error 11002 - Non-authoritative host not found
Socket error 11003 - This is a non-recoverable error
Socket error 11004 - Valid name, no data record of requested type