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Index[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] -s flag pfctl pflogd -s option (syslogd) 2nd S/MIME (Secure MIME) standard 2nd SafeFileEnvironment option (sendmail) SANS Security Policy Project sappnd flag behavior 2nd kernel and locking down files log files and newsyslog and SASL (Simple Authentication and Security Layer) additional resources authentication and 2nd 3rd 4th overview Postfix and 2nd TLS and SASL2 option (Postfix) saslauthd daemon 2nd SASLAUTHD option (Postfix) saslpasswd command saslpasswd2 command schg flag behavior directories and files and 2nd FreeBSD and httpd.conf and kernel and setting on scp (secure copy) command scponly product scrollback buffers scrub section (pf.conf) SCSI bus 2nd 3rd SEARCH method (DAV) secure by default approach secure level locking down permissions securelevel -1 securelevel 0 securelevel 1 2nd securelevel 2 securelevel 3 securelevel variable 2nd Secure MIME (S/MIME) standard Secure Sockets Layer [See SSL] securelevel 0 securenets file 2nd security [See also hardening] [See also hardening] accountability and ACID and additional resources 2nd administration and Apache and applications and audits and availability and 2nd BIND and CIA Triad of confidentiality and 2nd data integrity and DHCP and djbdns and DNS and firewalls and 2nd 3rd HTTP URL encoding and IDS events and infrastructure servers 2nd inherent protections jail options as a journey kernel and kernel variables 2nd local log consolidation and logcheck.sh script loghosts and 2nd mail access and mailing lists mod_dav and mod_perl module and mod_userdir and multipurpose systems MX records and NAT and network service and NTP and obscurity and 2nd overhead in physical 2nd Postfix process and principles responding to risk response to vulnerabilities risk and 2nd 3rd root volume and securelevel and Sendmail and 2nd sensors and SMTP and spider architecture and thttpd and web servers and webmail and workgroup servers workstations XFree86 and security facility (FreeBSD) 2nd Security Focus web site 2nd security script (OpenBSD) security-announce list (OpenBSD) security-through-obscurity security.bsd.see_other_gids variable security.bsd.see_other_uids variable security.jail.socket_unixiproute_only variable security.jail.sysvipc_allowed variable SecurityFocus mailing lists 2nd sed command SELECT statement (MySQL) Self-Certifying File System (SFS) Sender Policy Framework [See SPF] Sendmail mailer additional resources attacks and authentication blocking unwanted mail configuring 2nd encryption limiting DoS attacks overview syslogd and sendmail security profile (FreeBSD) sendmail service forking processes and FreeBSD and ktrace command and OpenBSD and security and sendmail-sasl port (FreeBSD) sendmail.cf file 2nd sendmail.mc file sensors ACID and attacks and firewalls and hardware NIDS and 2nd security and Snort and 2nd 3rd server-parsed handler server-side-include (SSI) 2nd server.crt file 2nd server.key file 2nd 3rd SERVICEDIR environment variable services availability of determining conditions for starting infrastructure servers and listening multipurpose systems and restarting key segregating 2nd turning off unnecessary 2nd seteuid command setfacl command 2nd setgid command changing group owner nosuid option (mount) security and sendmail binary and sysctl variables and setreuid command setuid command BIND and cgiwrap and danger of mod_suexec and nosuid option (mount) removing root access and security and sendmail binary and sysctl variables and setup option (ipfw) SFS (Self-Certifying File System) sgid command SHA-1 hashing algorithm shadow passwords 2nd shell accounts SHELL environment variable show command (ipfw) 2nd Simple Authentication and Security Layer [See SASL] simple firewall_type (IPFW) Simple Mail Transfer Protocol [See SMTP] size field (newsyslog) -skip-keypress flag (Rootkit Hunter) skipto action (ipfw) smrsh command SMTP (Simple Mail Transfer Protocol) additional resources authentication and 2nd commands design problems encryption and envelope and header ETRN command external mail servers and milters and name resolution and port accessibility restricting unneeded commands security and Sendmail and webmail and SMTP AUTH 2nd smtpd banner smtpd daemon (Postfix) chroot and 2nd error thresholds root access and spawning smtpd_error_sleep_time variable (Postfix) smtpd_helo_restrictions variable (Postfix) smtpd_recipient_limit variable (Postfix) smtpd_recipient_restrictions variable (Postfix) 2nd 3rd smtpd_sasl_auth_enable option (Postfix) smtpd_soft_error_limit variable (Postfix) Snort 2nd SOA (start of authority) record 2nd sockets jails and logging 2nd syslogd and 2nd sockstat command (FreeBSD) software [See also applications] [See also applications] buffer overflows 2nd change control chroot and format string error identifying problems in 2nd installing installing in jail protecting race conditions SQL injection and 2nd web server choices web-based attacks Solaris operating system Sourcefire spam additional resources backup MX servers and DNS and HELO request and increase in open relay and SPF and 2nd stopping as unwanted mail Spam Cop SpamAssassin additional resources content filtering with internal mail servers and mail relays and milter-regex file and Postfix and SPF and SpamCop spanning tree protocol SPF (Sender Policy Framework) additional resources functionality overview 2nd SPF option (Postfix) spider architecture spoofed packets spoofing DNS false positives and IP addresses jail and zone transfers and spoofing attacks spyware SQL injection 2nd 3rd 4th SquirrelMail 2nd src distribution (FreeBSD) SSH cryptography and NFS over Protocol option (sshd_config) schg flag and ssh (secure shell) service backups and 2nd connecting using 2nd 3rd CVS repository and file distribution over 2nd zone transfers and ssh-add command ssh-agent command 2nd ssh-keygen command 2nd sshd (secure shell daemon) access control and activating Banner configuration option enabling FreeBSD and inewtd and locking down OpenBSD and security and Snort and sshd security profile (FreeBSD) sshd_config file 2nd 3rd 4th SSI (server-side-include) 2nd SSL (Secure Sockets Layer) additional resources Apache and authentication and certificates and 2nd 3rd CPU usage cryptography and DAV and enabling private keys and SSL/TLS connection 2nd starting servers and thttpd and TLS and 2nd web servers and SSLCipherSuite directive -STABLE branch (FreeBSD) 2nd 3rd stack protection staff group start of authority (SOA) record 2nd state keyword (pfctl) stream4 preprocessor StrictModes option (sshd_config) strong passwords creating FreeBSD and mail access and OpenBSD and recommendations stunnel command 2nd su command privileged access sudo package and super-user privileges wheel group and 2nd 3rd SU_CMD option (make.conf) submit.cf file SUDO option (mk.conf) sudo package apachectl configuring 2nd 3rd creating devices installing privileged access privileged commands restarting key service Sendmail and su command and super-user privileges wheel group and sudoers configuration file creating customized editing 2nd revoking privileges root access and suexec module (Apache) 2nd 3rd SUEXEC_CALLER option (Apache) 2nd SUEXEC_DOCROOT option (Apache) 2nd SUEXEC_GIDMIN option (Apache) 2nd SUEXEC_LOGFILE option (Apache) 2nd SUEXEC_SAFEPATH option (Apache) 2nd SUEXEC_UIDMIN option (Apache) 2nd SUEXEC_UMASK option (Apache) 2nd SUEXEC_USERDIR option (Apache) 2nd suiddir option (mount) sunlnk flag 2nd SunONE swatch 2nd 3rd 4th swatch_oldrc2newrc binary switches 2nd symmetric keys 2nd SYN packets dropping firewalls and ipfw and 2nd network scans synchronization 2nd sysctl command 2nd 3rd sysctl variables 2nd 3rd sysctl.conf file 2nd sysinstall command 2nd 3rd syslog facility actions functionality IPFW and 2nd OpenBSD and Syslog relay syslog system call syslog-ng 2nd 3rd syslog.conf file configuring debugging and keeping smaller logs logs and program/hostname matching syslog facilities syslog levels syslogd (syslog daemon) actions configuring debugging drawbacks of FreeBSD and as monolithic OpenBSD and replacements for running UDP datagrams and syslogd_flags configuration entry syslogd_flags variable (rc.conf) syslogd_flags variable (rc.conf.local) system administrators [See administrators] system logging [See logging] system no unlink flag (sunlnk) 2nd system time FreeBSD and NTP and restriction on securelevel and System V IPC 2nd systems administration considerations monitoring health 2nd patching and security and as Syslog relay |
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