3小时了 没有 给力的。。。。

yugongtian

刚刚 配置iptabels 默认 都 关了 只留了一个 ssh 用 端口
问题是 yum 命令 不好使了 报错 。是不知 Yum也是用 端口 ？
我的意思 它是 ftp 吗？  端口是21 吗？
我将 21 端口 防火墙 打开 就 ok 了吧 ？
停止中 请前辈 速速 帮助解答

[ 本帖最后由 yugongtian 于 2011-1-19 21:10 编辑 ]

cnx

yum什么错?

yugongtian

[root@chansion ~]# yum update httpd
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* base: anorien.csc.warwick.ac.uk
* updates: centos.bio.lmu.de
* addons: anorien.csc.warwick.ac.uk
* extras: anorien.csc.warwick.ac.uk
http://anorien.csc.warwick.ac.uk ... epodata/repomd.xml: [Errno 4] IOError: <urlopen error (-3, 'Temporary failure in name resolution')>
Trying other mirror.
http://ftp.heanet.ie/pub/centos/5.3/os/i386/repodata/repomd.xml: [Errno 4] IOError: <urlopen error (-3, 'Temporary failure in name resolution')>
Trying other mirror.
http://mirror.as29550.net/mirror ... epodata/repomd.xml: [Errno 4] IOError: <urlopen error (-3, 'Temporary failure in name resolution')>
Trying other mirror.
http://mirror.bytemark.co.uk/cen ... epodata/repomd.xml: [Errno 4] IOError: <urlopen error (-3, 'Temporary failure in name resolution')>
Trying other mirror.
http://mirror.sov.uk.goscomb.net ... epodata/repomd.xml: [Errno 4] IOError: <urlopen error (-3, 'Temporary failure in name resolution')>
Trying other mirror.
http://mirror.ukhost4u.com/cento ... epodata/repomd.xml: [Errno 4] IOError: <urlopen error (-3, 'Temporary failure in name resolution')>
Trying other mirror.
http://mirrors.dedipower.com/cen ... epodata/repomd.xml: [Errno 4] IOError: <urlopen error (-3, 'Temporary failure in name resolution')>
Trying other mirror.
http://mirrors.nl.kernel.org/cen ... epodata/repomd.xml: [Errno 4] IOError: <urlopen error (-3, 'Temporary failure in name resolution')>
Trying other mirror.
http://mirrors.ukfast.co.uk/site ... epodata/repomd.xml: [Errno 4] IOError: <urlopen error (-3, 'Temporary failure in name resolution')>
Trying other mirror.
http://www.mirrorservice.org/sit ... epodata/repomd.xml: [Errno 4] IOError: <urlopen error (-3, 'Temporary failure in name resolution')>
Trying other mirror.
Error: Cannot retrieve repository metadata (repomd.xml) for repository: base. Please verify its path and try again

yugongtian

难道是 80  端口吗 ？

yugongtian

   没动静了

PPS

出去的都允许，进来的要限制。出去的dns解析不一定走53端口

大鲨鱼

学习一下

yugongtian

原帖由 PPS 于 2011-1-19 19:23 发表
出去的都允许，进来的要限制。出去的dns解析不一定走53端口

我的理解是 我的 dns 端口53 关闭了 造成的 yum 升级错误么？

PPS

nslookup 163.com看看是不是不能解析

yugongtian

nslookup 163.com
Server:         4.2.2.1
Address:        4.2.2.1#53

Non-authoritative answer:
Name:   163.com
Address: 220.181.8.211
Name:   163.com
Address: 220.181.8.212
Name:   163.com
Address: 220.181.8.213
Name:   163.com
Address: 220.181.8.90
Name:   163.com
Address: 220.181.8.188
Name:   163.com
Address: 220.181.8.201

错误依旧
http://mirrors.ukfast.co.uk/site ... epodata/repomd.xml: [Errno 14] HTTP Error 404: Not Found
Trying other mirror.
http://mirror.bytemark.co.uk/cen ... epodata/repomd.xml: [Errno 14] HTTP Error 404: Not Found
Trying other mirror.
http://mirrors.dedipower.com/cen ... epodata/repomd.xml: [Errno 14] HTTP Error 404: Not Found
Trying other mirror.
http://mirror.ukhost4u.com/cento ... epodata/repomd.xml: [Errno 14] HTTP Error 404: Not Found
Trying other mirror.
http://anorien.csc.warwick.ac.uk ... epodata/repomd.xml: [Errno 14] HTTP Error 404: Not Found
Trying other mirror.
http://mirror.sov.uk.goscomb.net ... epodata/repomd.xml: [Errno 14] HTTP Error 404: Not Found
Trying other mirror.
http://ftp.heanet.ie/pub/centos/5.3/os/i386/repodata/repomd.xml: [Errno 14] HTTP Error 404: Not Found
Trying other mirror.
http://www.mirrorservice.org/sit ... epodata/repomd.xml: [Errno 14] HTTP Error 404: Not Found
Trying other mirror.
http://mirrors.nl.kernel.org/cen ... epodata/repomd.xml: [Errno 14] HTTP Error 404: Not Found
Trying other mirror.
http://mirror.as29550.net/mirror ... epodata/repomd.xml: [Errno 14] HTTP Error 404: Not Found
Trying other mirror.
Error: Cannot retrieve repository metadata (repomd.xml) for repository: base. Please verify its path and try again