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samhain
scripts
     diagnostic logging 2nd 3rd
search engines
     troubleshooting methodologies
Secondary Exploitation
Secure Shell. [See SSH]
securing
    firewalls
         securing the enterprise
    wireless networks
         with openswan VPN 2nd 3rd 4th 5th 6th 7th
securing the enterprise
     risk management 2nd
         deploying security technology and counter measures
         filtering 2nd
         implementing policies
         implementing procedures
         ingress/egress filtering
         isolating assets 2nd 3rd
         securing firewalls
security 2nd 3rd
     computer security 2nd 3rd 4th 5th
     effective security
security policies
     documenting risk management
security procedures
     documenting risk management
security technology
     securing the enterprise
security tools
     host intrusion detection
         AIDE
         chkrootkit
         rkhunter
         samhain
         TIGER
         TITAN
         tripwire
     log monitoring tools 2nd
     NIDS 2nd
selecting
     solutions
SELinux 2nd
server timeouts
     SMTP 2nd 3rd
servers
    DNS servers. [See DNS]
    forwarded servers
         filtering access to 2nd
    FTP servers
         running local FTP servers (basic rules) 2nd 3rd
    transparent proxy servers
         squid 2nd 3rd
services
    protecting
         with TCP wrappers and firewall rules 2nd 3rd 4th 5th 6th 7th 8th
    running
         with least privilege 2nd
     turning off
session layers
     troubleshooting OSI model
severs
    remote servers. [See remote servers]
shunning packets rules
     example firewall 2nd
silently dropping packets
     example firewall 2nd
slabinfo
     memory load diagnostics 2nd
Small Office/Home Office. [See SOHO]
small packets rules
     example firewall 2nd
SMPT
    large email
         deny
SMTP
     accepting SMTP connections from specific hosts 2nd 3rd
     allowing through firewalls 2nd
     forwarding to internal mail servers 2nd 3rd
     questions about
     server timeouts/failures/numerous processes 2nd 3rd
     small e-mail send/receive correctly
smurf attacks
     detecting 2nd
SNAT firewalls 2nd 3rd
SNAT rule
     forcing mail server traffic to use specific IP address
sniffers 2nd 3rd 4th 5th 6th
     ethereal
     SSLdump
     tcpdump 2nd
snort
Snort
snort signatures
software
     configuring correctly
     importance of updating 2nd 3rd
     myths of trustworthy or secure software 2nd
SOHO (Small Office/Home Office)
solutions
    analyzing
         for effectiveness
     analyzing and comparing 2nd
     developing
     selecting and implementing
source routing
     disabling
spoof protection
spoofing rules
     example firewall 2nd
squid 2nd
     transparent proxy servers 2nd 3rd
SSH
     as a local system 2nd 3rd
     connections timeout
     forwarding to another system 2nd 3rd 4th 5th
SSH (Secure Shell)
ssh service
     protecting
SSLdump 2nd
state engine 2nd
     connection tracking fields
state engines
     connections 2nd 3rd 4th 5th 6th
state tracking rules
     example firewall 2nd
stateful inspection
states of netfilter 2nd
stealth firewalls 2nd 3rd 4th 5th
STEALTH rules
     example firewall 2nd
steps to risk management. [See risk management, steps to]
Stevens, W. Richard
string-matching rules
     example firewall 2nd 3rd
structured threats
SYN cookies
SYN flood attacks
     preventing
SYN floods
     example firewall 2nd
SYN scan
syntax
     iptables 2nd 3rd 4th 5th 6th 7th 8th 9th