CTF learning route guidance
1.CTFwiki https://wiki.x10sec.org/
2. Wiki tutorial (programming learning)https://iowiki.com/
3. Rookie tutorial (programming learning)https://www.runoob.com/
CTF online tools
1.CTFtools http://www.ctftools.com/down/?tdsourcetag=s_pctim_aiomsg
2. CTF online toolshttp://ctf.ssleye.com/
3.BugTool https://tool.bugku.com/
4. A toolboxhttp://www.atoolbox.net/
5. SSL certificate online toolhttps://www.chinassl.net/ssltools/index.html
6.JSON http://www.jsons.cn/
7. GitHub resources (Advanced recommendation)https://github.com/euphrat1ca/security_w1k1
8. How to use pwntoolshttp://docs.pwntools.com/en/stable/index.html
CTF range
1. Ctfhub (for beginners)https://www.ctfhub.com/
2. Attack and defend the worldhttps://adworld.xctf.org.cn/login
3.BUUCTF https://buuoj.cn/
4. Bugku (payment platform)https://ctf.bugku.com/
5. Spring and Autumnhttps://www.ichunqiu.com/battalion