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标题: 3小时了没有给力的。。。。 [打印本页]

作者: yugongtian 时间: 2011-1-19 19:09
标题: 3小时了没有给力的。。。。
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 ]

作者: cnx 时间: 2011-1-19 19:11
yum什么错?

作者: yugongtian 时间: 2011-1-19 19:12
[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

作者: yugongtian 时间: 2011-1-19 19:12
难道是 80 端口吗？

作者: yugongtian 时间: 2011-1-19 19:17

没动静了

作者: PPS 时间: 2011-1-19 19:23
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

作者: 大鲨鱼 时间: 2011-1-19 19:29
学习一下

作者: yugongtian 时间: 2011-1-19 19:35

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？

作者: PPS 时间: 2011-1-19 19:44
nslookup 163.com看看是不是不能解析

作者: yugongtian 时间: 2011-1-19 21:06
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

作者: yugongtian 时间: 2011-1-19 21:07
付上 iptables

Chain INPUT (policy DROP)
target    prot opt source             destination
ACCEPT    tcp  --  0.0.0.0/0          0.0.0.0/0          tcp dpt:52885
ACCEPT    all  --  0.0.0.0/0          0.0.0.0/0          state RELATED,ESTABLISHED
ACCEPT    tcp  --  0.0.0.0/0          0.0.0.0/0          tcp dpt:21
ACCEPT    tcp  --  0.0.0.0/0          0.0.0.0/0          tcp dpt:80

Chain FORWARD (policy DROP)
target    prot opt source             destination

Chain OUTPUT (policy ACCEPT)
target    prot opt source             destination

作者: yugongtian 时间: 2011-1-19 21:10

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