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
ServerIron ADX Security Guide ix
53-1002440-03
Translation timeouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104
Configuring the NAT translation aging timer . . . . . . . . . . . . . .104
Stateless static IP NAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105
Redundancy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105
Enabling IP NAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106
Enabling static NAT redundancy . . . . . . . . . . . . . . . . . . . . . . . .106
Enabling dynamic NAT redundancy . . . . . . . . . . . . . . . . . . . . .107
Displaying NAT information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107
Displaying NAT statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .108
Displaying NAT translation. . . . . . . . . . . . . . . . . . . . . . . . . . . . .110
Displaying NAT redundancy information. . . . . . . . . . . . . . . . . .111
Displaying VRRPE information . . . . . . . . . . . . . . . . . . . . . . . . .112
Clearing NAT entries from the table . . . . . . . . . . . . . . . . . . . . . . . . .112
Chapter 5 Syn-Proxy and DoS Protection
Understanding Syn-Proxy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113
Syn-Proxy auto control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113
Difference between ServerIron ADX and JetCore Syn-Proxy Behavior
113
Configuring Syn-Proxy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
Setting a minimum MSS value for SYN-ACK packets . . . . . . .117
Configuring Syn-Proxy auto control . . . . . . . . . . . . . . . . . . . . . .120
Displaying Syn-Proxy Commands . . . . . . . . . . . . . . . . . . . . . . .121
DDoS protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .124
Configuring a security filter . . . . . . . . . . . . . . . . . . . . . . . . . . . .125
Configuring a Generic Rule . . . . . . . . . . . . . . . . . . . . . . . . . . . .125
Configuring a rule for common attack types. . . . . . . . . . . . . .127
Configuring a rule for ip-option attack types . . . . . . . . . . . . . .129
Configuring a rule for icmp-type options . . . . . . . . . . . . . . . . .130
Configuring a rule for IPv6 ICMP types . . . . . . . . . . . . . . . . . . .131
Configuring a rule for IPv6 ext header types . . . . . . . . . . . . . .132
Binding the filter to an interface . . . . . . . . . . . . . . . . . . . . . . . .133
Clearing DOS attack statistics. . . . . . . . . . . . . . . . . . . . . . . . . .133
Clearing all DDOS Filter & Attack Counters . . . . . . . . . . . . . . .133
Logging for DoS attacks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .133
Displaying security filter statistics . . . . . . . . . . . . . . . . . . . . . .134
Address-sweep and port-scan logging . . . . . . . . . . . . . . . . . . .134