Technical data

Fabric OS Administrator’s Guide 3-5

Publication Number: 53-0000518-09

Blocking Listeners

SilkWorm switches block Linux subsystem listener applications that are not used to implement

supported features and capabilities. Table 3-4 lists the listener applications that SilkWorm switches

either block or do not start.

Accessing Switches and Fabrics

Table 3-5 lists the defaults for accessing hosts, devices, switches, and zones.

Table 3-4 Blocked Listener Applications

Listener

Application

SilkWorm 12000, 24000, and

48000 Directors

SilkWorm 200E, 3016, 3250, 3850,

3900, 4012, and 4100 Switches

chargen Do not start Do not start

echo Do not start Do not start

daytime Do not start Do not start

discard Do not start Do not start

ftp Do not start Do not start

rexec Block with packet filter Do not start

rsh Block with packet filter Do not start

rlogin Block with packet filter Do not start

time Block with packet filter Do not start

rstats Do not start Do not start

rusers Do not start Do not start

Table 3-5 Access Defaults

Hosts Any host can access the fabric by SNMP

Any host can telnet to any switch in the fabric

Any host can establish an HTTP connection to any switch in the fabric

Any host can establish an API connection to any switch in the fabric

Devices All device ports can access SES

All devices can access the management server

Any device can connect to any FC port in the fabric

Switch access Any switch can join the fabric

All switches in the fabric can be accessed through serial port

Zoning Node WWNs can be used for WWN-based zoning