Brocade Communications Systems ServerIron ADX 12.4.00 Service Manual Page 79
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ServerIron ADX NAT64 Configuration Guide 67
53-1002444-02
Configuring rule-based ACLs
5
DRAFT: BROCADE CONFIDENTIAL
Configuring extended numbered ACLs
This section describes how to configure extended numbered ACLs.
Extended ACLs let you permit or deny packets based on the following information:
• IP protocol
• Source IP address or host name
• Destination IP address or host name
• Source TCP or UDP port (if the IP protocol is TCP or UDP)
• Destination TCP or UDP port (if the IP protocol is TCP or UDP)
The IP protocol can be one of the following well-known names or any IP protocol number from 0
through 255:
• Internet Control Message Protocol (ICMP)
• Internet Group Management Protocol (IGMP)
• Internet Gateway Routing Protocol (IGRP)
• Internet Protocol (IP)
• Open Shortest Path First (OSPF)
• Transmission Control Protocol (TCP)
• User Datagram Protocol (UDP)
For TCP and UDP, you also can specify a comparison operator and port name or number. For
example, you can configure a policy to block web access to a specific website by denying all TCP
port 80 (HTTP) packets from a specified source IP address to the website’s IP address.
To configure an extended access list that blocks all Telnet traffic received on port 1/1 from IP host
209.157.22.26, enter the following commands.
Here is another example of commands for configuring an extended ACL and applying it to an
interface. These examples show many of the syntax choices.
The first entry permits ICMP traffic from hosts in the 209.157.22.x network to hosts in the
209.157.21.x network.
The second entry denies IGMP traffic from the host device named “rkwong” to the 209.157.21.x
network.
ServerIronADX(config)# access-list 101 deny tcp host 209.157.22.26 any eq telnet l
ServerIronADX(config)# access-list 101 permit ip any any
ServerIronADX(config)# interface ethernet 1/1
ServerIronADX(config-if-1/1)# ip access-group 101 in
ServerIronADX(config)# write memory
ServerIronADX(config)# access-list 102 permit icmp 209.157.22.0/24
209.157.21.0/24
ServerIronADX(config)# access-list 102 deny igmp host rkwong 209.157.21.0/24
ServerIronADX(config)# access-list 102 deny igrp 209.157.21.0/24 host rkwong
ServerIronADX(config)# access-list 102 deny ip host 209.157.21.100 host
209.157.22.1
ServerIronADX(config)# access-list 102 deny ospf any any
ServerIronADX(config)# access-list 102 permit ip any any
- ServerIron ADX 1
- Document History 2
- Contents 3
- About This Document 9
- Command syntax conventions 10
- Notice to the reader 11
- Related publications 11
- Getting technical help 11
- NAT64 and NAT46 Overview 13
- Stateless NAT46 translation 14
- Protocol support 15
- NAT64 fragmentation support 17
- References 18
- Stateful NAT64 Configuration 19
- Operation of stateful NAT64 20
- 53-1002444-02 23
- Enabling connection logging 28
- Displaying NAT64 information 31
- Displaying NAT64 translations 32
- Displaying NAT64 statistics 33
- Displaying NAT64 resources 37
- Stateless NAT64 Configuration 39
- Operation of stateless NAT64 40
- High availability for NAT64 52
- Clearing NAT64 information 53
- Stateless NAT46 Configuration 55
- Operation of stateless NAT46 56
- High availability for NAT46 67
- Displaying NAT46 information 68
- Clearing NAT46 information 69
- Access Control Lists 71
- Rule-based ACLs 72
- Default ACL action 74
- ACL IDs and entries 74
- Configuring rule-based ACLs 77
- Modifying rule-based ACLs 85
- Reordering ACLs 86
- Applying ACLs to interfaces 87
- Adding comments to named ACLs 89
- ACL logging 94
- Displaying ACL log entries 95
- Clearing the ACL statistics 97
- Throttling the fragment rate 98
- DRAFT: BROCADE CONFIDENTIAL 100
- Enabling strict TCP mode 101
- Enabling strict UDP mode 102
- ACLs and ICMP 103
- Numbered ACLs 104
- Named ACLs 105
- • Enable the strict TCP mode 107
- IPv6 Access Control Lists 109
- Configuration notes 110
- Processing of IPv6 ACLs 110
- Configuring IPv6 ACLs 111
- IPv6 ACL syntax 114
- Syntax Description 116
- Displaying IPv6 ACLs 118
- Logging IPv6 ACLs 119
- Network Address Translation 121
- Configuring NAT 122
- Configuring static NAT 123
- Configuring dynamic NAT 123
- Enabling IP NAT 124
- NAT configuration examples 125
- IP NAT with VIP overlap 129
- Translation timeouts 130
- Stateless static IP NAT 132
- IP NAT redundancy 133
- Displaying NAT information 144
- Displaying NAT translation 147
- Displaying VRRPE information 148
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