Controlling Telnet Users; Controlling Telnet Users By Source Ip Addresses - 3Com 4500 PWR 26-Port Configuration Manual

Controlling Telnet Users

Prere quisites
The controlling policy against Telnet users is determined, including th
IP addresses and source MAC addresses to be controlled and the controlling actions (permitting or
denying).

Controlling Telnet Users by Source IP Addresses

C ontrolling Telnet users
numbered from 2000 to 2999.
F ollow these steps to contr
To do...
Enter system view
Create a basic ACL or
enter basic ACL view
Define rules for the ACL
Quit to system view
Enter user interface view
Apply the ACL to control
Telnet users by source IP
addresses
Controllin g Telnet Users by
C ontrolling Telnet users b
ACLs, which are numbered from 3000 to 3999.
Follo w these steps to control elnet users by source and destina on IP addresses:
To do...
Enter system view
Create an advanced ACL
or enter advanced ACL
view
Define rules for the ACL
Quit to system view
by s ource IP addresses is
ol T elnet users by source IP
Use the command...
system-view
acl number acl-number
[ match-order { auto |
config } ]
rule [ rule-id ] { deny |
permit } [ rule-string ]
quit
user-interface [ type ]
first-number [ last-number ]
acl acl-number { inbound |
outbound }
Source and Destination IP Addresses
y so urce and destination IP address s is achieved by applying advanced
T
Use the command...
system-view
acl number acl-number
[ match-order { auto | confi
rule [ rule-id ] { deny | permit }
protocol [ rule-string ]
quit
3-2
e source IP addresses, destination
achieve d by applying basic ACLs, whi
addres ses:
Remarks
—
As for the acl number command, the
config key word is specified by
default.
Required
—
—
Required
The inbound ke
filter the users trying to Telnet to the
current switch.
The outbound keyword specifies to
filter users trying to Telnet to other
switches from the cu
e
ti
—
As for the acl number command,
the config keyword is specified by
g } ]
default.
Required
You can define rules as needed to
filter by specific source and
destination IP addresses.
—
ch are
yword specifies to
rrent switch.
Remarks