| DHCP | 
67 | 
1 socket during startup | 
| BOOTP | 
67 | 
  | 
| ABB netConfig | 
24567 | 
1 permanent socket if configured in Automation_Builder | 
| Hilscher IPconfig | 
25383 | 
1 permanent socket if configured in Automation_Builder for CM597-ETH | 
| Online access with driver 3S     Tcp/Ip | 
1201 | 
1 socket per connection + 1 listen | 
| Online access with driver ABB     Tcp/Ip L2 AC | 
1200 | 
1 socket per connection + 1 listen | 
| Online access with driver 3S     Tcp/Ip L2 Route | 
1201 | 
1 socket per connection + 1 listen | 
| MODBUS TCP Server | 
502 | 
1 socket per server connection, number of server connections     is configurable in Automation_Builder | 
| MODBUS TCP Master with POU ETH_MOD_MAST: ETH_MOD_MAST | 
random | 
1 socket per instance of ETH_MOD_MAST | 
| UDP with AC31 header | 
0 … 65535 | 
1 socket if enabled in Automation_Builder | 
| UDP no AC31 header (standard UDP) | 
0 … 65535 | 
1 socket per connection | 
| TCP/IP out of user program with library SysLibSockets.lib | 
0 … 65535 | 
1 socket per connection | 
| Web server on PLC with web visualization and     JAVA applet | 
80 | 
2 system sockets + 2 per connection | 
| Web server on PLC with support of JAVA script (no applet) | 
80 | 
2 system sockets + 2 per connection | 
| SNTP (Simple Network Time Protocol) | 
123 | 
1 permanent socket if configured in Automation_Builder | 
| SMTP client (Simple Mail Transfer Protocol) send email     out of user program with POU ETH_SMTP_EMAIL_SEND: ETH_SMTP_EMAIL_SEND | 
25 | 
1 per connection if POU is enabled | 
| IEC60870-5-104 control station | 
random | 
1 per connection | 
| IEC60870-5-104 substation | 
2404 | 
1 per connection | 
| FTP server | 
21 | 
1 per session, max. 4 allowed | 
| PING out of user program with POU ETH_ICMP_PING: ETH_ICMP_PING | 
none | 
1 per POU if POU is enabled | 
| DNS - supplies the IP address of a host by its name with     POU ETH_DNS_RESOLVE: ETH_DNS_RESOLVE | 
53 | 
1 per POU if POU is enabled |