Synchronet v3.19b-Win32 (install) has been released (Jan-2022).

You can donate to the Synchronet project using PayPal.

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision
Previous revision
Next revisionBoth sides next revision
faq:tcpip [2019/08/08 21:08] – [SSH Session Key] mention ssl.cert and system-password dependency digital manfaq:tcpip [2020/04/14 16:26] – New FTP HTML FAQ. digital man
Line 11: Line 11:
   * [[#ftp_connect|Why can't users connect to my FTP server]]?    * [[#ftp_connect|Why can't users connect to my FTP server]]? 
   * [[#ftp_nat|Why do FTP clients lock-up or time-out when listing directories or downloading files from my FTP server]]?    * [[#ftp_nat|Why do FTP clients lock-up or time-out when listing directories or downloading files from my FTP server]]? 
 +  * [[#ftp_html|Why won't my browser render the output of ftp-html.js (''00index.html'')]]?
   * [[#bind|Why do some or all of my servers get bind errors when starting or recycling]]?    * [[#bind|Why do some or all of my servers get bind errors when starting or recycling]]? 
   * [[#bandwidth|How many nodes/clients/users can I support with my Internet connection]]?    * [[#bandwidth|How many nodes/clients/users can I support with my Internet connection]]? 
Line 237: Line 238:
  
 If your firewall cannot dynamically open/forward FTP PASV data ports for incoming passive FTP data connections, you can specify a limited range of TCP port numbers to use for passive transfers by modifying the PasvPortLow and PasvPortHigh values in the ''[FTP]'' section of your ''[[dir:ctrl]]/[[config:sbbs.ini]]'' file. You will of course need to configure your firewall device to open/forward these ports to your FTP server.  If your firewall cannot dynamically open/forward FTP PASV data ports for incoming passive FTP data connections, you can specify a limited range of TCP port numbers to use for passive transfers by modifying the PasvPortLow and PasvPortHigh values in the ''[FTP]'' section of your ''[[dir:ctrl]]/[[config:sbbs.ini]]'' file. You will of course need to configure your firewall device to open/forward these ports to your FTP server. 
 +
 +===== FTP HTML =====
 +:?: **Question:**\\
 +Why will my web browser not (no longer) render the HTML content sent by the Synchronet FTP Server? 
 +
 +:!: **Answer:**\\
 +For security reasons, modern web browser will not render HTML content served by protocols other than HTTP or HTTPS.
 +  * [[https://www.bleepingcomputer.com/news/google/chrome-and-firefox-developers-aim-to-remove-support-for-ftp/]]
 +
 +Some web browsers (e.g. Microsoft Edge) are removing FTP support altogether.
  
 ===== Bind ===== ===== Bind =====
Line 305: Line 316:
  
 ==== SSH Cipher Algo ==== ==== SSH Cipher Algo ====
 +
 +Should be fixed as of Fri Feb 14 07:37:04 2020 UTC. aes128-ctr and aes256-ctr support was added.
  
 Example: Example:
Line 320: Line 333:
      
 ==== SSH Kex Algo ==== ==== SSH Kex Algo ====
 +
 +Should be fixed as of Mon Jun 3 22:21:15 2019 UTC. diffie-hellman-group-exchange-sha256 and diffie-hellman-group14-sha256 support was added.
  
 Example: Example:
Line 352: Line 367:
  
 ==== SSH MAC Algo ==== ==== SSH MAC Algo ====
 +
 +Should be fixed as of Mon Jun 3 22:21:15 2019 UTC. hmac-sha2-256 support was added.
  
 Another observed problem is with the negotiated Message Authentication Code (MAC) algorithm. Another observed problem is with the negotiated Message Authentication Code (MAC) algorithm.