Make max number of connections (global and per ip) configurable

mauler · Nov 13, 2018 · 0add4fc · 0add4fc
1 parent 169162d
commit 0add4fc
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/Dockerfile b/Dockerfile
@@ -7,6 +7,8 @@ ENV FTP_ROOT /ftp-home
 ENV FTP_USER ftp
 ENV FTP_PASS ftp
 ENV FTP_PORT 21
+ENV FTP_MAX_CONNECTIONS 256
+ENV FTP_MAX_CONNECTIONS_PER_IP 5
 
 VOLUME /ftp-home
 

diff --git a/image/root/bin/simple-ftp-server b/image/root/bin/simple-ftp-server
@@ -34,8 +34,8 @@ def main():
     server = FTPServer(address, handler)
 
     # set a limit for connections
-    server.max_cons = 256
-    server.max_cons_per_ip = 5
+    server.max_cons = int(environ.get('FTP_MAX_CONNECTIONS', 256))
+    server.max_cons_per_ip = int(environ.get('FTP_MAX_CONNECTIONS_PER_IP', 5))
 
     # start ftp server
     server.serve_forever()