Cloudflare

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特殊地址

Anycast 服务器网段

104.16.0.0/12
# Discord
162.158.0.0/15
# libs.cdnjs.net, raw.githack.com, fossbytes.com, gitlab.com, acme-v02.api.letsencrypt.org
172.64.0.0/13
# kirikira.moe, ip.cn
198.41.128.0/17

# SHOPIFY-NET; Shopify, Inc. (loomielabs.com, www.myfonts.com)
23.227.32.0/19
# IPOWERWEB-NET; iPower (blog.ni-co.moe)
66.235.200.0/24
# CLOUDFLARENET-EU (ilbe.com, www.whatismyip.com, todayhumor.co.kr)
141.101.120.0/22
# ENZUINC-US-BLK12; Enzu (support.ipvanish.com)
23.88.0.0/15
# CloudFlare Latin America S.R.L
190.93.240.0/20
# IRT-CLOUDFLAREHK-AP
103.21.244.0/22
# HUBSP-8 (www.stxnext.com, www.vortexa.com)
199.60.103.0/24
# CLOUDFLARENET-EU
188.114.96.0/24
# CLOUDFLARENET; kami.ns.cloudflare.com
173.245.48.0/20
# WPENG (www.docker.com)
141.193.213.0/24

不能服务任意 cf 域名的 IP

# 到达 www.cleverbridge.com
104.16.242.229, 104.17.3.11, 104.17.4.11
# 到达 topix.com; 403 (error code 1020)
104.16.93.141
# Read the Docs
104.17.32.82
# shopify
23.227.38.65

不能解析到任意 IP 的域名

support.travis-ci.com.  3578    IN      CNAME   travisci.zendesk.com.
travisci.zendesk.com.   878     IN      A       104.16.53.111
travisci.zendesk.com.   878     IN      A       104.16.51.111

2.python-requests.org.  2882    IN      CNAME   readthedocs.io.
docs.wand-py.org.       596     IN      CNAME   readthedocs.io.
docs.telethon.dev.      1375    IN      CNAME   readthedocs.io.
readthedocs.io.         299     IN      A       104.17.32.82
readthedocs.io.         299     IN      A       104.17.33.82

www.netguru.co.         120     IN      CNAME   493098.group48.sites.hubspot.net.
493098.group48.sites.hubspot.net. 119 IN CNAME  group48.sites.hscoscdn40.net.
group48.sites.hscoscdn40.net. 121 IN    A       104.17.113.180
group48.sites.hscoscdn40.net. 121 IN    A       104.17.116.180
group48.sites.hscoscdn40.net. 121 IN    A       104.17.114.180
group48.sites.hscoscdn40.net. 121 IN    A       104.17.115.180
group48.sites.hscoscdn40.net. 121 IN    A       104.17.112.180

# changed to netlify on 2020-06-15
www.fpcomplete.com.     86      IN      CNAME   2814979g29.secure0171.hubspot.net.
2814979g29.secure0171.hubspot.net. 264 IN CNAME 2814979.group29.sites.hubspot.net.
2814979.group29.sites.hubspot.net. 84 IN CNAME  group29.sites.hscoscdn20.net.
group29.sites.hscoscdn20.net. 86 IN     A       104.17.124.180
group29.sites.hscoscdn20.net. 86 IN     A       104.17.125.180
group29.sites.hscoscdn20.net. 86 IN     A       104.17.126.180
group29.sites.hscoscdn20.net. 86 IN     A       104.17.122.180
group29.sites.hscoscdn20.net. 86 IN     A       104.17.123.180

shop.paragon-software.com. 86226 IN     CNAME   paragon-s.cleverbridge.com.
paragon-s.cleverbridge.com. 426 IN      A       104.16.243.229
paragon-s.cleverbridge.com. 426 IN      A       104.16.242.229

community.ingress.com.  116     IN      CNAME   site-6031689.onvanilla.net.
site-6031689.onvanilla.net. 116 IN      A       162.159.138.78
site-6031689.onvanilla.net. 116 IN      A       162.159.128.79

blog.griddynamics.com.  3553    IN      CNAME   grid-dynamics-blog.ghost.io.
grid-dynamics-blog.ghost.io. 253 IN     A       104.18.129.189
grid-dynamics-blog.ghost.io. 253 IN     A       104.18.128.189
grid-dynamics-blog.ghost.io. 253 IN     A       104.18.132.189
grid-dynamics-blog.ghost.io. 253 IN     A       104.18.130.189
grid-dynamics-blog.ghost.io. 253 IN     A       104.18.131.189

go.jetbrains.com.       145     IN      CNAME   mkto-lon020062.com.
mkto-lon020062.com.     145     IN      A       104.17.73.206
mkto-lon020062.com.     145     IN      A       104.17.70.206
mkto-lon020062.com.     145     IN      A       104.17.74.206
mkto-lon020062.com.     145     IN      A       104.17.72.206
mkto-lon020062.com.     145     IN      A       104.17.71.206

www.deepl.com.          10      IN      CNAME   www.deepl.com.cdn.cloudflare.net.
www.deepl.com.cdn.cloudflare.net. 76 IN CNAME   ff8d28cacfe549d280afa21886239fe4.pacloudflare.com.
ff8d28cacfe549d280afa21886239fe4.pacloudflare.com. 76 IN A 172.65.253.13
www2.deepl.com.         13      IN      CNAME   www2.deepl.com.cdn.cloudflare.net.
www2.deepl.com.cdn.cloudflare.net. 208 IN CNAME 733868e706dd40d3a4a0588fc39b3df8.pacloudflare.com.
733868e706dd40d3a4a0588fc39b3df8.pacloudflare.com. 192 IN A 172.65.212.243
s.deepl.com.            36      IN      CNAME   s.deepl.com.cdn.cloudflare.net.
s.deepl.com.cdn.cloudflare.net. 89 IN   CNAME   a2b05107c24a4cb385eec9c3e4ccda25.pacloudflare.com.
a2b05107c24a4cb385eec9c3e4ccda25.pacloudflare.com. 145 IN A 172.65.226.29

nginx 配置

简单反代

location / {
        proxy_pass_header Server;
        proxy_pass_header X-Forwarded-Proto;
        proxy_pass http://localhost:8880;
        proxy_set_header Host $host;
        proxy_redirect off;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
}

日志格式

log_format cflog '$remote_addr - $remote_user [$time_local] "$request" $status $body_bytes_sent "$http_referer" "$http_user_agent" $realip_remote_addr';

外部链接

参考资料

  1. ↑ Which CloudFlare data centre do I reach? – CloudFlare Support
取自“http://r.lilydjwg.me/w/index.php?title=Cloudflare&oldid=3286”