[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z] R command (sendmail) r commands (Unix) disabling security considerations R flag (Linux routing table) RADB (Routing Arbiter Database) registering in range parameter (dhcpd) 2nd RARP (Reverse Address Resolution Protocol) RAs (Routing Arbiters) raw field (inet.conf file) rc.local script BSD Unix Linux routing startup scripts rc.sysinit script, Linux rdist command re-transmission reachability information autonomous systems EGP exterior routing protocols read access (filesystems) ReadmeName directive (Apache) receive option (pppd) Recipient field (sendmail) recommended protocols reconfigure file (Solaris) record option (pppd) RECORD option (xinetd) recursion option (named) recursive searches (DNS) recursive servers (DNS) recursive-clients (named) recv (gated) recvbuffer parameter (gated) Red Hat Linux caching-only servers, configuring DSO modules Ethernet device drivers httpd.conf file, location named command, running NIS domains printcap configuration tool sendmail, startup script updating Redirect Message (ICMP) 2nd redirect parameter (gated) 2nd redirect statement (gated) redirection, routing Ref field (Linux routing table) 2nd refuse-chap option (pppd) refuse-pap option (pppd) regex (sendmail K command value) Regional Internet Registries (IRs), address requests registered hosts registries, addresses, obtaining from reject (gated) reject parameter (gated) relay mailer RELAY_DOMAIN (sendmail macro) 2nd RELAY_DOMAIN_FILE (sendmail macro) 2nd reliability address translation interface configuration methods TCP remnantholdtime parameter (gated) remnants parameter (gated) Remote File Distribution Program Remote Procedure Calls [See RPCs] remotename option (pppd) replace (gated) REPORT keyword (chat) request parameter (gated) Requests for Comments [See RFCs] Require directive (Apache) require-chap option (pppd) require-pap option (pppd) required protocols Reseaux IP Europeens [See RIPE] reserved addresses reset command (dip) 2nd resolv.conf file 2nd entries sample configuration resolver code resolver software (name service) resolver-only configurations resolvers configuring 2nd 3rd sample configuration resource records DNS resources, security Responsible Person (RP) records restrict parameter (gated) retain parameter (gated) RETR command (POP) retrans= option (vfstab file) retry= option (vfstab file) RETURN keyword (iptables command) Reverse Address Resolution Protocol (RARP) reverse domains reverse zone file reverse-mapping zone file rewrite rules (sendmail) pattern matching transformation field transformation with database Rewriting Rules (generic-linux.cf section) RFC 1033 2nd 3rd RFC 1035 RFC 1055 RFC 1172 RFC 1281 2nd RFC 1470 RFC 1521 RFC 1661 RFC 1812 RFC 1869 RFC 1878 RFC 1918 RFC 2050 RFC 2060 RFC 2196 2nd RFC 2901 RFC 791 2nd RFC 792 RFC 793 RFC 821 RFC 822 RFC 826 RFC 894 RFC 919 rfc2308-type1 option (named) rfc822 (MIME data subtype) RFCs (Requests for Comments) Network Access Layer obtaining on Web obtaining through email protocol development subnet masks rhosts file, security considerations 2nd ribs unicast parameter (gated) richtext text (MIME data subtype) RIP (Routing Information Protocol) 2nd ifconfig command and limitations overview routed command rip statement (gated) RIP-2 RIPE (Reseaux IP Europeens) database fields RIPE Network Control Center RIPE-181 standard rmmod command (Linux) ro option exports file share command root access preventing, exports file share command and root domain (DNS) root hints file root servers cache initialization files DNS root_squash setting (exports file) rotate option (resolv.conf file) route (gated) route command route filters routed command gateways file implementing routerdiscovery parameter (gated) 2nd 3rd routerid (gated) routers filtering iptables command interconnecting dissimilar physical networks multicast addresses routes parameter (gated) 2nd routing 2nd bilateral agreements classful common configurations consolidated data delivery databases, registering datagrams distance-vector algorithms domains filters, gated and gated Internet architecture planning poison reverse policies, AS path protocols BGP EGP exterior interior OSPF RIP RIP-2 routed command selecting system configuration and redirection slow convergence problem split horizon triggered updates troubleshooting traceroute command Routing Arbiter Database [See RADB]2nd [See RADB] Routing Arbiters (RAs) Routing Information Protocol [See RIP]2nd [See RIP] routing tables bit mask cache contents of default gateways deleting routes, RIP destination values dynamic end-to-end routes informational fields Linux loopback route metric, changing with ifconfig command ping command reducing size of routd command Solaris static adding routes creating routing updates (RIP) RP (Responsible Person) records RPCs (Remote Procedure Calls), port numbers rquotad command rrset-order option (named) RS232C connectors rsize= option (vfstab file) rulesets (sendmail) runlevel field (inittab file) runlevels inittab file System V startup RUNNING flag (ifconfig command) rw option exports file share command |