Yangbo's Blog

Posts Tagged ‘nat’

Exam Description

Troubleshooting and Maintaining Cisco IP Switched Networks (TSHOOT 642-832) is a qualifying exam for the Cisco Certified Network Professional CCNP®, certification. The TSHOOT 642-832  exam will certify that the successful candidate has important knowledge and skills necessary to (1) plan and perform regular maintenance on complex enterprise routed and switched networks and (2) use technology-based practices and a systematic ITIL-compliant approach to perform network troubleshooting.

Exam Topics

The following information provides general guidelines for the content likely to be included on the exam. However, other related topics may also appear on any specific delivery of the exam. In order to better reflect the contents of the exam and for clarity purposes the guidelines below may change at any time without notice.

Read the rest of this entry »

squid 有一个最重要的设置 http_port 8080 transparent 透明代理的关键就是transparent!!!

然后在Iptables里面打开对8080的访问，再在NAT表中，重定向80端口的请求到8080

Linux:CentOS
Linux bogon 2.6.18-128.1.14.el5 #1 SMP Wed Jun 17 06:40:54 EDT 2009 i686 i686 i386 GNU/Linux
Iptables:iptables v1.3.5
Squid:
Squid Cache: Version 2.6.STABLE21
configure options: ‘–build=i686-redhat-linux-gnu’ ‘–host=i686-redhat-linux-gnu’ ‘–target=i386-redhat-linux-gnu’ ‘–program-prefix=’ ‘–prefix=/usr’ ‘–exec-prefix=/usr’ ‘–bindir=/usr/bin’ ‘–sbindir=/usr/sbin’ ‘–sysconfdir=/etc’ ‘–includedir=/usr/include’ ‘–libdir=/usr/lib’ ‘–libexecdir=/usr/libexec’ ‘–sharedstatedir=/usr/com’ ‘–mandir=/usr/share/man’ ‘–infodir=/usr/share/info’ ‘–exec_prefix=/usr’ ‘–bindir=/usr/sbin’ ‘–libexecdir=/usr/lib/squid’ ‘–localstatedir=/var’ ‘–datadir=/usr/share’ ‘–sysconfdir=/etc/squid’ ‘–enable-epoll’ ‘–enable-snmp’ ‘–enable-removal-policies=heap,lru’ ‘–enable-storeio=aufs,coss,diskd,null,ufs’ ‘–enable-ssl’ ‘–with-openssl=/usr/kerberos’ ‘–enable-delay-pools’ ‘–enable-linux-netfilter’ ‘–with-pthreads’ ‘–enable-ntlm-auth-helpers=SMB,fakeauth’ ‘–enable-external-acl-helpers=ip_user,ldap_group,unix_group,wbinfo_group’ ‘–enable-auth=basic,digest,ntlm’ ‘–enable-digest-auth-helpers=password’ ‘–with-winbind-auth-challenge’ ‘–enable-useragent-log’ ‘–enable-referer-log’ ‘–disable-dependency-tracking’ ‘–enable-cachemgr-hostname=localhost’ ‘–enable-underscores’ ‘–enable-basic-auth-helpers=LDAP,MSNT,NCSA,PAM,SMB,YP,getpwnam,multi-domain-NTLM,SASL’ ‘–enable-cache-digests’ ‘–enable-ident-lookups’ ‘–with-large-files’ ‘–enable-follow-x-forwarded-for’ ‘–enable-wccpv2′ ‘–enable-fd-config’ ‘–with-maxfd=16384′ ‘build_alias=i686-redhat-linux-gnu’ ‘host_alias=i686-redhat-linux-gnu’ ‘target_alias=i386-redhat-linux-gnu’ ‘CFLAGS=-D_FORTIFY_SOURCE=2 -fPIE -Os -g -pipe -fsigned-char’ ‘LDFLAGS=-pie’

Read the rest of this entry »

利用Dchpd+NAT+Squid+PPPOE实现内网完全

1.DHCP配置
2.SQUID配置 (http://blog.ghitr.com/index.php/archives/325)
3.NAT配置（暂无，明天加上）
4.PPPOE配置（暂无，明天加上）
因本机无DHCPD，所以需要安装

http://rpmfind.net/linux/rpm2html/search.php?query=dhcpd

的这上面找到
[ad#ad_article_2]
Read the rest of this entry »