H3C S7500 Series Montageanleitung

Command Manual – Telnet Protection

H3C S7500 Series Ethernet Switches Table of Contents

Table of Contents

Chapter 1 Telnet Protection Configuration Commands............................................................1-1

1.1 Telnet Protection Configuration Commands......................................................................1-1

1.1.1 attack-protection......................................................................................................1-1

1.1.2 attack-protection disable-defaultroute.....................................................................1-2

1.1.3 attack-protection icmp............................................................................................. 1-2

1.1.4 attack-protection snmp............................................................................................1-3

1.1.5 attack-protection telnet............................................................................................1-4

Command Manual – Telnet Protection

H3C S7500 Series Ethernet Switches Chapter 1 Telnet Protection Configuration Commands

1-1

Chapter 1 Telnet Protection Configuration

Commands

1.1 Telnet Protection Configuration Commands

1.1.1 attack-protection

Syntax

attack-protection [ ip-address ]

undo attack-protection

View

System view

Parameters

ip-address: Sets specialARP Telnet protection for the specified Layer-3 interface.

Description

Use the attack-protection command to set global Telnet protection.After you execute

this command, the system protects all the Layer-3 interfaces in the Up state.

Use the undo attack-protection command to cancel the global Telnet protection.

Use the attack-protection ip-address command to setspecial ARPTelnet protection. If

the Layer-3 interface corresponding to the specified IPaddress is in the Up state, Telnet

protection is enabled on this Layer-3 interface. If the corresponding Layer-3 interface

does not exist or is in the Down state, the system saves this configuration as the special

ARP settings and enables Telnet protection when the corresponding Layer-3 interface

is in the UP state.

Use the undo attack-protection ip-address command to cancel the special ARP

Telnet protection.

Examples

# Configure global Telnet protection.

<H3C> system-view

System View: return to User View with Ctrl+Z.

[H3C] attack-protection

# Configure specialARP Telnet protection.

<H3C> system-view

Command Manual – Telnet Protection

H3C S7500 Series Ethernet Switches Chapter 1 Telnet Protection Configuration Commands

1-2

System View: return to User View with Ctrl+Z.

[H3C] attack-protection 192.168.0.1

1.1.2 attack-protection disable-defaultroute

Syntax

attack-protection disable-defaultroute

undo attack-protection disable-defaultroute

View

System view

Parameters

None

Description

Use the attack-protection disable-defaultroute command to disable the default-route

Telnet protection function.

Use the undo attack-protection disable-defaultroute command to enable the

default-route Telnet protection function.

By default, default-route Telnet protection is disabled.

After enabling the NAT function, you cannot configure default-route Telnet protection.

Examples

# Enable default-route Telnet protection.

<H3C> system-view

System View: return to User View with Ctrl+Z.

[H3C] undo attack-protection disable-defaultroute

1.1.3 attack-protection icmp

Syntax

attack-protection icmp [ ip-address ]

undo attack-protection icmp

View

System view

Parameters

ip-address: Configures to protect ICMP packets for the specified source IP address.

Command Manual – Telnet Protection

H3C S7500 Series Ethernet Switches Chapter 1 Telnet Protection Configuration Commands

1-3

Description

Use the attack-protection icmp command to enable ICMP protection.

Use the undo attack-protection icmp command to disable ICMP protection.

Before enabling ICMP protection, you need to enable ICMP protection, and then

configure global Telnet protection, special ARP Telnet protection, and default-route

Telnet protection.

By default, ICMP protection is disabled.

Examples

# Protect ICMP packets addressed from the source IP address 192.168.0.100.

<H3C> system-view

System View: return to User View with Ctrl+Z.

[H3C] attack-protection icmp 192.168.0.100

1.1.4 attack-protection snmp

Syntax

attack-protection snmp [ ip-address ]

undo attack-protection snmp

View

System view

Parameters

ip-address: Configures to protect SNMP packets for the specified source IP address.

Description

Use the attack-protection snmp command to enable SNMP protection.

Use the undo attack-protection snmp command to disable SNMP protection.

Before enabling SNMP protection, you need to enable SNMP protection, and then

configure global Telnet protection, special ARP Telnet protection, and default-route

Telnet protection.

By default, SNMP protection is disabled.

Examples

# Protect SNMP packets addressed from the source IP address 192.168.0.100.

<H3C> system-view

System View: return to User View with Ctrl+Z.

[H3C] attack-protection snmp 192.168.0.100

Command Manual – Telnet Protection

H3C S7500 Series Ethernet Switches Chapter 1 Telnet Protection Configuration Commands

1-4

1.1.5 attack-protection telnet

Syntax

attack-protection telnet [ ip-address ]

undo attack-protection telnet

View

System view

Parameters

ip-address: Configures to protect Telnet packets for the specified source IP address.

Description

Use the attack-protection telnet command to enable Telnet protection.

Use the undo attack-protection telnet command to disable Telnet protection.

Before enabling Telnet protection, you need to enable Telnet protection, and then

configure global Telnet protection, special ARP Telnet protection, and default-route

Telnet protection.

By default, Telnet protection is disabled.

Examples

# Protect Telnet packets addressed from the source IP address 192.168.0.100.

<H3C> system-view

System View: return to User View with Ctrl+Z.

[H3C] attack-protection telnet 192.168.0.100

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