Error codes in 3proxy logs

0 - the operation was completed successfully (in the case of an established connection, the connection was closed correctly by one of the parties).

1-9 - authorization errors

1 - access is denied ACL (deny)

2 - redirect (should not be logged)

3 - no ACL entry for this connection

4 - username for auth strong is not defined

5 - username for auth not found strong

6 - incorrect password (plaintext)

7 - incorrect password (crypt)

8 - incorrect password (NT)

9 - insufficient data for redirection (should not be in the log)

10 - traffic limit exceeded

11-19 - connection errors

11 - cannot be created socket socket()

12 - interface cannot be selected bind()

13 - connection failure connect()

14 - getpeername() failure

20-29 - general errors

21 - memory allocation error

30-39 - CONNECT redirection errors

31 - cannot send a request to the CONNECT proxy

32 - timeout exceeded or incorrect CONNECT response proxy

33 - CONNECT proxy cannot establish a connection

34 - timeout exceeded or connection dropped when negotiating CONNECT connection

40-49 - SOCKS4 redirection errors

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50-69 - SOCKS5 redirection errors

70-79 errors in establishing a parent connection, similar to 1x

90-99 - termination errors connections

from version 0.9

90 - unexpected system error (should not happen)

91 - poll error (should not happen)

92 - connection was interrupted due to a timeout for a network operation (see timeouts)

93 - the connection was interrupted due to a timeout associated with the rate limit or due to the number of errors being exceeded

94 - the client or server closed the connection or a network error occurred, there was unsent data

95 - the client "dirty" closed the connection or network error

96 - the server "dirty" closed the connection or network error

97 - client and server "dirty" connection closed or network error

98 - server data limit has been reached (should not be in the log)

99 - client data limit has been reached (should not be in the log)

before version 0.9

90 - socket error or connection unexpectedly terminated

91 - general TCP/IP stack failure

92 - connection terminated by timeout

93 - error in receiving data from the server

94 - error in receiving data from the client

95 - timeout due to bandlimin/bandlimout limitation

96 - error sending data to the client

97 - error sending data to the server

98 - server data limit has been reached (should not be in the log)

99 - client data limit has been reached (should not be in the log)

100 - IP address not found at the client request

200-299 - UDP portmapper errors

300-399 - TCP errors portmapper

400-499 - SOCKS proxy errors

500-599 - HTTP proxy errors

600-699 - POP3 errors proxy

999 - function not implemented