Linux Security Cookbook [Electronic resources] نسخه متنی

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X Window System

disabling X forwarding for authorized keys

display name, Linux system record of

enabling X forwarding with ssh -X

running programs as root

ssh-agent, automatically run for logins

X.509 certificates

generating self-signed

xargs program

-n 1 option (one file at a time)

0 (zero) option, for null-terminated filenames

collecting filename arguments to avoid long command lines

searching filesystems effectively

XAUTHORITY environment variable (X windows)

Ximian, Evolution mailer

xinetd

access_times attribute

adding new network service controlled by

configuration files for services

configuring telnetd to require strong authentication

deleting service configuration file

enabling IMAP daemon within

home page

Kerberized Telnet, enabling

logging access to services

POP daemon, enabling

preventing DOS attacks with cps, instances, max_load, and per_source keywords

preventing invocation of TCP service by

redirecting connections with redirect keyword

server keyword

TCP services, access control

using with libwrap

using with tcpd

xinetd.conf file

confirming location of its includedir

modifying to invoke tcpd

only_from and no_access keywords

XML::Simple module (Perl)