请教一个奇怪网络连通性的问题

qingmuhy

[ol]

root@wiki-4837-pre:~# curl -I http://www.gstatic.com/generate_204

curl: (28) Failed to connect to www.gstatic.com port 80 after 3067 ms: Couldn't connect to server

root@wiki-4837-pre:~# curl -I http://www.gstatic.com/generate_204 -vv

* Host www.gstatic.com:80 was resolved.

* IPv6: 2607:f8b0:4007:810::2003

* IPv4: 142.250.189.3

*   Trying 142.250.189.3:80...

*   Trying [2607:f8b0:4007:810::2003]:80...

* Immediate connect fail for 2607:f8b0:4007:810::2003: Network is unreachable

* connect to 142.250.189.3 port 80 from 172.247.*.* port 53350 failed: Connection timed out

* Failed to connect to www.gstatic.com port 80 after 3100 ms: Couldn't connect to server

* Closing connection

curl: (28) Failed to connect to www.gstatic.com port 80 after 3100 ms: Couldn't connect to server

root@wiki-4837-pre:~# nexttrace 142.250.189.3

NextTrace v1.3.4 2024-09-10T13:25:26Z 6a3ea6a

2024/10/15 11:46:23 IP connection has been timeout, please check your network

[NextTrace API] preferred API IP -  - ms - Get "https://45.88.195.154:443/v3/challenge/request_challenge": dial tcp 45.88.195.154:443: connect: connection timed out

RetToken failed 3 times, please try again after a while, exit

root@wiki-4837-pre:~#

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一个上游是cera的4837优化线路，我连接服务器和ping服务器都正常，ssh连接也正常。

但是从vps访问其他网站就时不时啥也连不上，这到底是啥问题啊，有点摸不着头脑。

HOH

人家封了你IP有什么奇怪的

qingmuhy

[ol]

root@wiki-4837-pre:~# ping 1.1.1.1

PING 1.1.1.1 (1.1.1.1) 56(84) bytes of data.

64 bytes from 1.1.1.1: icmp_seq=1 ttl=55 time=0.806 ms

64 bytes from 1.1.1.1: icmp_seq=2 ttl=55 time=0.802 ms

64 bytes from 1.1.1.1: icmp_seq=3 ttl=55 time=0.841 ms

64 bytes from 1.1.1.1: icmp_seq=4 ttl=55 time=0.782 ms

ping 1.1.1.1 也是有回复的。

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qingmuhy

HOH 发表于 2024-10-15 19:53

人家封了你IP有什么奇怪的
但是这个是不定时的，一会能通，一会不能通。