Things are getting worse even for an ordinary computer programmer to bypass the Internet walls in some countries or districts. There are quite a lot of techniques involved in making a working solution to get through the walls safely to smoothly.<\/p>\n
Knowledge on TCP\/IP is an entry for this exam. Deep understanding of the walls is an essential point and other requirements are data communications, data security, network security and data encryption.<\/p>\n
Besides those above, programmers are also being asked what application is being deployed over the wall. The most-deployed application is HTTP, and therefore they need to understand more than usual on its protocols. Multiple operating systems and programming languages could help programmers easily get things done.<\/p>\n
What’s more, for both sides, the battles of blocking and anti-blocking are always continually being evolved\u00a0 and they just look like spear vs. shield. One working technique may fail tomorrow if it has been acquired by another side.\u00a0<\/p>\n
Here is a workflow based on what we have learnt from $hadow$ocks, one of the most-starred repositories on GitHub.<\/p>\n
Work flow:<\/p>\n
–> packets plain sent (1)
–> $hadow$ocks-windows-client(2) –> obfs-local(3)
–> packets wrapped over Internet
–> obfs-server(4) –> $hadow$ocks-libev-server(5)
–> packets REQUEST & RESPONSE (6)
–> $hadow$ocks-libev-server(7) –> obfs-server(8)
–> packets wrapped over Internet
–> obfs-local(9) –> $hadow$ocks-windows-client(10)
–> packets plain recv (11)<\/p>\n
https:\/\/ufqi.com\/blog\/analysis-on-hadowocks-202008\/<\/a><\/p>\n -R\/A2SP<\/a><\/b><\/p>\n","protected":false},"excerpt":{"rendered":" Things are getting worse even for an ord … \u7ee7\u7eed\u9605\u8bfb