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[SYMBOL]
[A]
[B]
[C]
[D]
[E]
[F]
[G]
[H]
[I]
[J]
[K]
[L]
[M]
[N]
[O]
[P]
[R]
[S]
[T]
[U]
[V]
[W]
[X]
[Z]
Nagios
configuration files
contactgroups.cfg file
contacts.cfg file
examples of
host.cfg
hostgroup.cfg
nagios.cfg
services.cfg
plug-ins, downloading and installing
name server, attacker scans for vulnerable versions of BIND
named policy (systrace)
NAT (network address translation) provided by Internet gateway
randomizing IP IDs to prevent counting of machines on network
Nessus security scanner
brute-force logins to services
clients for
generating certificate for
hosts, scanning
port scans, options for
reports on scans
vulnerability types, selecting
Net::PcapUtils Perl module
Net::RawIP Perl module
Net::SSLeay module
NetBIOS name, specifying for remote system
Netfilter
chains
iptables command
libipq library
MAC filtering with
rule order
saving all rules
stateful packet-inspection engine
web site for downloads
NetPacket Perl module
netstat program
2nd
network intrusion detection systems (NIDS)
[See intrusion detection] network monitoring
auditing network traffic
collecting statistics with firewall rules
contact groups for hosts
contacts for notification messages
graphing trends
hosts, configuring for
ntop, running for real-time statistics
remote monitoring with rpcapd
services
network owner, finding
network security checker for Windows
[See HFNetChk tool] network segment, scanning under Windows
network time protocol (NTP)
NFS, security problems with
NIDS (network intrusion detection systems)
[See intrusion detection] Nmap detecting operating system with
fooling by emulating another operating system
inventorying your network
running on IP addresses handled by honeyd
nobody account (Apache)
nodev, noexec, and nosuid flags (mount)
NOPASSWD: flag (sudo)
ntop tool
NTP (network time protocol)
Ntsyslog
configuration program, using
number registries for IP address blocks
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