TID: Mystic BBS 1.12 A48   
   MSGID: 2:201/137 e5474a97   
   TZUTC: 0100   
   Hello g00r00!   
      
   When using the FTP server with passive FTP (e.g. the 'pftp' command), I get a   
   lot of "Data connection already open" messages followed by "Closing data   
   connection". Is this normal?   
      
   (The file listings show up as they should.)   
      
   + 2022.03.14 18:53:37  FTP > Connect on slot 1/10 (127.0.0.1)   
   + 2022.03.14 18:53:37  FTP 1-HostName localhost.localdomain   
   + 2022.03.14 18:53:37  FTP 1-Country  Unknown (-)   
   + 2022.03.14 18:53:38  FTP 1-C: USER Data: guest   
   + 2022.03.14 18:53:38  FTP 1-S: 331 User name okay, need password.   
   + 2022.03.14 18:53:39  FTP 1-C: PASS   
   + 2022.03.14 18:53:39  FTP 1-S: 230 User logged in, proceed.   
   + 2022.03.14 18:53:39  FTP 1-Logged in as guest   
   + 2022.03.14 18:53:39  FTP 1-C: SYST Data:   
   + 2022.03.14 18:53:39  FTP 1-S: 215 UNIX Type: L8   
   + 2022.03.14 18:53:40  FTP 1-C: PASV Data:   
   + 2022.03.14 18:53:40  FTP 1-S: 227 Entering Passive Mode (188,1   
   9,138,116,198,212).   
   + 2022.03.14 18:53:40  FTP 1-C: LIST Data:   
   + 2022.03.14 18:53:40  FTP 1-Listing files in /   
   + 2022.03.14 18:53:40  FTP 1-S: 125 Data connection already open   
   + 2022.03.14 18:53:40  FTP 1-S: 226 Closing data connection.   
   + 2022.03.14 18:53:43  FTP 1-C: CWD Data: uploads   
   + 2022.03.14 18:53:43  FTP 1-S: 250 Working directory is now "/uploads"   
   + 2022.03.14 18:53:43  FTP 1-Changed to uploads   
   + 2022.03.14 18:53:44  FTP 1-C: PASV Data:   
   + 2022.03.14 18:53:44  FTP 1-S: 227 Entering Passive Mode (188,1   
   9,138,116,198,212).   
   + 2022.03.14 18:53:44  FTP 1-C: LIST Data:   
   + 2022.03.14 18:53:44  FTP 1-Listing files in uploads   
   + 2022.03.14 18:53:44  FTP 1-S: 125 Data connection already open   
   + 2022.03.14 18:53:44  FTP 1-S: 226 Closing data connection.   
   + 2022.03.14 18:53:52  FTP 1-C: QUIT Data:   
   + 2022.03.14 18:53:52  FTP 1-S: 221 Goodbye   
   + 2022.03.14 18:53:52  FTP 1-Connection closed   
      
   Active FTP (e.g. the 'ftp' command) does not exhibit this:   
      
   + 2022.03.14 19:02:33  FTP > Connect on slot 1/10 (192.168.1.1)   
   + 2022.03.14 19:02:33  FTP 1-HostName router.asus.com   
   + 2022.03.14 19:02:33  FTP 1-Country  Unknown (-)   
   + 2022.03.14 19:02:35  FTP 1-C: USER Data: guest   
   + 2022.03.14 19:02:35  FTP 1-S: 331 User name okay, need password.   
   + 2022.03.14 19:02:36  FTP 1-C: PASS   
   + 2022.03.14 19:02:36  FTP 1-S: 230 User logged in, proceed.   
   + 2022.03.14 19:02:36  FTP 1-Logged in as guest   
   + 2022.03.14 19:02:36  FTP 1-C: SYST Data:   
   + 2022.03.14 19:02:36  FTP 1-S: 215 UNIX Type: L8   
   + 2022.03.14 19:02:37  FTP 1-C: PORT Data: 192,168,1,5,145,95   
   + 2022.03.14 19:02:37  FTP 1-S: 200 Command okay.   
   + 2022.03.14 19:02:37  FTP 1-C: LIST Data:   
   + 2022.03.14 19:02:37  FTP 1-Listing files in /   
   + 2022.03.14 19:02:37  FTP 1-S: 150 File status okay; opening data connection.   
   + 2022.03.14 19:02:37  FTP 1-Connecting to 192.168.1.5 port 37215   
   + 2022.03.14 19:02:37  FTP 1-Data connection established   
   + 2022.03.14 19:02:37  FTP 1-S: 226 Closing data connection.   
   + 2022.03.14 19:02:38  FTP 1-C: PORT Data: 192,168,1,5,199,253   
   + 2022.03.14 19:02:38  FTP 1-S: 200 Command okay.   
   + 2022.03.14 19:02:38  FTP 1-C: LIST Data:   
   + 2022.03.14 19:02:38  FTP 1-Listing files in /   
   + 2022.03.14 19:02:38  FTP 1-S: 150 File status okay; opening data connection.   
   + 2022.03.14 19:02:38  FTP 1-Connecting to 192.168.1.5 port 51197   
   + 2022.03.14 19:02:38  FTP 1-Data connection established   
   + 2022.03.14 19:02:38  FTP 1-S: 226 Closing data connection.   
   + 2022.03.14 19:02:39  FTP 1-C: QUIT Data:   
   + 2022.03.14 19:02:39  FTP 1-S: 221 Goodbye   
   + 2022.03.14 19:02:39  FTP 1-Connection closed   
      
   I have the Time Out for the FTP server set to 300 seconds, if that would   
   matter somehow.   
      
   Thanks in advance!   
      
   Best regards   
   Bj”rn   
      
   --- Mystic BBS v1.12 A48 2022/03/11 (Linux/64)   
    * Origin: Star Collision BBS, Uppsala, Sweden (2:201/137)   
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