Home Theater Server User Manual
Table Of Contents
- Contents
- About This Document
- Network Security
- TCP SYN attacks
- IP TCP syn-proxy
- Granular application of syn-proxy feature
- Syn-def
- No response to non-SYN first packet of a TCP flow
- Prioritizing management traffic
- Peak BP utilization with TRAP
- Transaction Rate Limit (TRL)
- Understanding transaction rate limit
- Configuring transaction rate limit
- Configuring the maximum number of rules
- Saving a TRL configuration
- Transaction rate limit command reference
- Global TRL
- TRL plus security ACL-ID
- security acl-id
- Transaction rate limit hold-down value
- Displaying TRL rules statistics
- Displaying TRL rules in a policy
- Displaying IP address with held down traffic
- Refusing new connections from a specified IP address
- HTTP TRL
- Overview of HTTP TRL
- Configuring HTTP TRL
- Displaying HTTP TRL
- Display all HTTP TRL policies
- Display HTTP TRL policy from index
- Display HTTP TRL policy client
- Display HTTP TRL policy starting from index
- Display HTTP TRL policy matching a regular expression
- Display HTTP TRL policy client index (MP)
- Display HTTP TRL policy client index (BP)
- Display HTTP TRL policy for all client entries (BP)
- Downloading an HTTP TRL policy through TFTP
- HTTP TRL policy commands
- Logging for DoS Attacks
- Maximum connections
- clear statistics dos-attack
- Maximum concurrent connection limit per client
- Firewall load balancing enhancements
- Syn-cookie threshhold trap
- Service port attack protection in hardware
- Traffic segmentation
- DNS attack protection
- Access Control List
- How ServerIron processes ACLs
- Default ACL action
- Types of IP ACLs
- ACL IDs and entries
- ACL entries and the Layer 4 CAM
- Configuring numbered and named ACLs
- Modifying ACLs
- Displaying a list of ACL entries
- Applying an ACLs to interfaces
- ACL logging
- Dropping all fragments that exactly match a flow-based ACL
- Enabling ACL filtering of fragmented packets
- Enabling hardware filtering for packets denied by flow-based ACLs
- Enabling strict TCP or UDP mode for flow-based ACLs
- ACLs and ICMP
- Using ACLs and NAT on the same interface (flow-based ACLs)
- Displaying ACL bindings
- Troubleshooting rule-based ACLs
- IPv6 Access Control Lists
- Network Address Translation
- Syn-Proxy and DoS Protection
- Understanding Syn-Proxy
- Configuring Syn-Proxy
- DDoS protection
- Configuring a security filter
- Configuring a Generic Rule
- Configuring a rule for common attack types
- Configuring a rule for ip-option attack types
- Configuring a rule for icmp-type options
- Configuring a rule for IPv6 ICMP types
- Configuring a rule for IPv6 ext header types
- Binding the filter to an interface
- Clearing DOS attack statistics
- Clearing all DDOS Filter & Attack Counters
- Logging for DoS attacks
- Displaying security filter statistics
- Address-sweep and port-scan logging
- Secure Socket Layer (SSL) Acceleration
- SSL overview
- SSL acceleration on the ServerIron ADX
- Configuring SSL on a ServerIron ADX
- Basic SSL profile configuration
- Advanced SSL profile configuration
- Configuring Real and Virtual Servers for SSL Termination and Proxy Mode
- Configuration Examples for SSL Termination and Proxy Modes
- SSL debug and troubleshooting commands
- Displaying socket information
66 ServerIron ADX Security Guide
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Configuring numbered and named ACLs
2
ServerIronADX(config)# show access-list melon | include 5
Standard IP access-list melon
permit host 5.6.7.8
permit host 5.10.11.12
The second and third entries in the ACL contain the keyword “5” and are displayed in the show
access-list.
If you want to exclude ACL entries that contain a keyword from the show access-list display, enter
the following command.
The second and third ACL entries are left out from the display.
Syntax: show ip access-list <acl-number> | begin | exclude | include <keyword>
Enter the ACL’s number for the <acl-number> parameter.
Use the | operator to indicate a keyword.
Enter the begin <keyword> parameter to start the display beginning with the first line containing
text that matches the keyword. For example, if you enter begin Total, the displayed information
begins with the line containing the word “Total”.
Enter the exclude <keyword> parameter to exclude any lines containing text that match the
keyword. For example, if you enter exclude Total, any line containing the word “Total” is excluded
from the display.
Enter the include <keyword> display only those lines containing text that match the keyword. For
example, if you enter include Total, any line containing the word “Total” is included in the display.
If ACL entries, for both numbered and named ACLs, have remarks, the display
will also include the remarks if they contain characters that match the
specified keywords. For example, ACL 99 might contain the following entries:
ServerIronADX(config)# show access-list 99
Standard IP access-list 99
ACL Remark: Deny Building A
deny host 1.2.3.4
Permit First Floor Users
permit host 5.6.7.8
deny host 5.10.11.12
permit any
To show all entries containing the keyword “deny” you obtain the following
output:
ServerIronADX(config)#show access-list 99 | include deny
Standard IP access-list 99
ACL Remark: Deny Building A
deny host 1.2.3.4
deny host 5.10.11.12
NOTE
All lines with the keyword “deny”, including remarks are included in the display.
ServerIronADX(config)# show access-list melon | exclude 5
Standard IP access-list melon
deny host 1.2.3.4
permit any