ncat 7.60 bug report

卢业波 <[email protected]>
Newsgroups gmane.comp.security.nmap.devel
Message-ID <[email protected]>


On Microsoft Windows 10 [ver 10.0.15063]:




C:\tools\nmap-7.60>ncat -vvvv 192.168.1.1 80
Ncat: Version 7.60 ( https://nmap.org/ncat )
libnsock nsock_set_loglevel(): Set log level to DEBUG
NCAT DEBUG: Using trusted CA certificates from C:\tools\nmap-7.60\ca-bundle.crt.
libnsock nsock_iod_new2(): nsock_iod_new (IOD #1)
libnsock event_new(): event_new (IOD #1) (EID #8)
libnsock nsock_connect_tcp(): TCP connection requested to 192.168.1.1:80 (IOD #1) EID 8
libnsock nsock_pool_add_event(): NSE #8: Adding event (timeout in 10000ms)
libnsock nsock_loop(): nsock_loop() started (no timeout). 1 events pending
libnsock nsock_trace_handler_callback(): Callback: CONNECT SUCCESS for EID 8 [192.168.1.1:80]
Ncat: Connected to 192.168.1.1:80.
libnsock nsock_iod_new2(): nsock_iod_new (IOD #2)
libnsock event_new(): event_new (IOD #1) (EID #18)
libnsock nsock_read(): Read request from IOD #1 [192.168.1.1:80] (timeout: -1ms) EID 18
libnsock nsock_pool_add_event(): NSE #18: Adding event (timeout in 1040298340ms)
libnsock event_new(): event_new (IOD #2) (EID #26)
libnsock nsock_readbytes(): Read request for 0 bytes from IOD #2 [peer unspecified] EID 26
libnsock nsock_pool_add_event(): NSE #26: Adding event (timeout in 1040298332ms)
libnsock event_delete(): event_delete (IOD #1) (EID #8)
libnsock select_loop(): nsock_loop error 10038: 在一个非套接字上尝试了一个操作。
Ncat: 0 bytes sent, 0 bytes received in 0.11 seconds.
libnsock nsock_trace_handler_callback(): Callback: READ KILL for EID 18 [192.168.1.1:80]
libnsock event_delete(): event_delete (IOD #1) (EID #18)
libnsock nsock_trace_handler_callback(): Callback: READ KILL for EID 26 [peer unspecified]
libnsock event_delete(): event_delete (IOD #2) (EID #26)
libnsock nsock_iod_delete(): nsock_iod_delete (IOD #1)
libnsock nsock_iod_delete(): nsock_iod_delete (IOD #2)




The same computer,ncat 7.50 works:

C:\tools\nmap-7.50>ncat -vvvv 192.168.1.1 80
Ncat: Version 7.50 ( https://nmap.org/ncat )
libnsock nsock_set_loglevel(): Set log level to DEBUG
NCAT DEBUG: Using trusted CA certificates from C:\tools\nmap-7.50\ca-bundle.crt.
libnsock nsock_iod_new2(): nsock_iod_new (IOD #1)
libnsock event_new(): event_new (IOD #1) (EID #8)
libnsock nsock_connect_tcp(): TCP connection requested to 192.168.1.1:80 (IOD #1) EID 8
libnsock nsock_pool_add_event(): NSE #8: Adding event (timeout in 10000ms)
libnsock nsock_loop(): nsock_loop() started (no timeout). 1 events pending
libnsock nsock_trace_handler_callback(): Callback: CONNECT SUCCESS for EID 8 [192.168.1.1:80]
Ncat: Connected to 192.168.1.1:80.
libnsock nsock_iod_new2(): nsock_iod_new (IOD #2)
libnsock event_new(): event_new (IOD #1) (EID #18)
libnsock nsock_read(): Read request from IOD #1 [192.168.1.1:80] (timeout: -1ms) EID 18
libnsock nsock_pool_add_event(): NSE #18: Adding event (timeout in 1039576063ms)
libnsock event_new(): event_new (IOD #2) (EID #26)
libnsock nsock_readbytes(): Read request for 0 bytes from IOD #2 [peer unspecified] EID 26
libnsock nsock_pool_add_event(): NSE #26: Adding event (timeout in 1039576055ms)
libnsock event_delete(): event_delete (IOD #1) (EID #8)
GET / HTTP/1.0

libnsock nsock_trace_handler_callback(): Callback: READ SUCCESS for EID 26 [peer unspecified] (15 bytes): GET / HTTP/1.0








Yebo Lu

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