F

F command (sendmail), Defining Classes
fake-iquery option (named), The options Statement
FancyIndexing keyword, Creating a Fancy Index
fax mailer, MAILER
FEATURE macro (sendmail), Building a sendmail.cf with m4 macros, m4 sendmail Macros, FEATUREFEATURE
features, FEATURE, DOMAIN
DOMAIN source file, DOMAIN
sendmail, FEATURE
FETCH command (IMAP), Internet Message Access Protocol
fetch-glue option (named), The options Statement
fg option (vfstab file), The vfstab and fstab files
file option (pppd), The PPP Daemon
file servers, File Servers
file sharing, File Sharing, The Network File System, NFS Daemons, Sharing Unix Filesystems, Mounting Remote Filesystems
mounting remote directories, Mounting Remote Filesystems
NFS, The Network File System, NFS Daemons
daemons, NFS Daemons
overview, The Network File System
Unix, Sharing Unix Filesystems
File Transfer Protocol, Application Layer (see FTP)
filename parameter (dhcpd), Configuration Parameters
FILES = (Distfiles), rdist
Files directive (httpd.conf file), Defining Where Things Are Stored
files option (named), The options Statement
filtering routers, Filtering Traffic with iptables, Defining iptables filter rules
iptables command, Defining iptables filter rules
FIN bit (TCP), Transmission Control Protocol
find command, locating httpd.conf file, Configuring the Apache Server
firewalls, FirewallsFirewalls, Functions of the Firewall, Filtering Traffic with iptables, Defining iptables filter rules
filtering routers, Filtering Traffic with iptables
functions of, Functions of the Firewall
iptables command, Defining iptables filter rules
overview, FirewallsFirewalls
FIRST (Forum of Incident Response and Security Teams), Use the network to distribute information
fixed-address parameter (dhcpd), Configuration Parameters
Flag value (dhcpd option statement), DHCP Options
Flags field, Fragmenting datagrams, The Routing Table, The Routing Table, The Minimal Routing Table, Defining Mailers
Linux routing table, The Routing Table, The Routing Table
routing tables, The Minimal Routing Table
sendmail, Defining Mailers
flash parameter (gated), The kernel Statement
Flg field (netstat command), The Interface Name
flow control, Internet Control Message Protocol, Transmission Control Protocol
Acknowledgment Segment, Transmission Control Protocol
ICMP, Internet Control Message Protocol
flush command (dip), Dial-Up PPP
FollowSymLinks (Options directive setting), Controlling Server Options
Format of Headers (generic-linux.cf section), General sendmail.cf Structure
Forum of Incident Response and Security Teams (FIRST), Use the network to distribute information
forward only option (named.conf file), A caching-only server configuration
forward option (named), The options Statement
forward-mapping zone file, Configuring named, The Forward-Mapping Zone FileThe Forward-Mapping Zone File
forwarders option, A caching-only server configuration, The options Statement
named options statement, The options Statement
named.conf file, A caching-only server configuration
forwarding datagrams, Passing datagrams to the transport layer
forwarding, sendmail, Personal Mail Forwarding
FQDN (fully qualified domain name), Domain Names
Fragmentation Offset field, Fragmenting datagrams
fragmenting datagrams, Fragmenting datagrams
frames, TCP/IP Protocol Architecture, Network Access Layer
Network Access Layer, Network Access Layer
FreeBSD, network interface support, The device statement
fstab files, The vfstab and fstab files
FTP (File Transfer Protocol), Application Layer, Managing Distributed Servers
distributed servers, managing, Managing Distributed Servers
fully qualified domain name (FQDN), Domain Names
FYI (For Your Information) RFCs, Protocol Standards