Tried every way but still unable to open the sample app with browser

[Yinuo Hong]

I copied the sample program from http://webpy.org:

=====main.py=====

import web

urls=('/','Handle',)

class Handle:

    def GET(self):

        return 'hello!'

if __name__=="__main__":

    app=web.application(urls, globals())

    app.run()

================

Then type:# python main.py 1234

It returns: http://0.0.0.0:1234/

And netstat returns:  tcp        0      0 0.0.0.0:1234            0.0.0.0:*               LISTEN      10143/python

However, "http://public_ip:1234" is not reachable, and returns ERR_CONNECTION_TIMED_OUT

The Firewall service have been turned off.

Change to other ports doesn't help.

I don't know how can I work on it for the next step... anyone can help?

[Jeff Silverman]

I tried it.  On the client side:

jeffs@jeffs-desktop:~/python (hints_dev)* $ curl localhost:1234

hello!jeffs@jeffs-desktop:~/python (hints_dev)* $ curl 192.168.0.16:1234

hello!jeffs@jeffs-desktop:~/python (hints_dev)* $ curl -6 http://[2602:61:7e5c:3b00:e52d:317e:9f1:2300]:1234

curl: (7) Failed to connect to 2602:61:7e5c:3b00:e52d:317e:9f1:2300 port 1234: Connection refused

jeffs@jeffs-desktop:~/python (hints_dev)* $ 

So it works under IPv4 and does not work under IPv6.  What does it look like on the server side?

jeffs@jeffs-desktop:~/python (hints_dev)* $ python webpy_demo.py 1234

http://0.0.0.0:1234/

127.0.0.1:38548 - - [03/Nov/2017 17:03:25] "HTTP/1.1 GET /" - 200 OK

127.0.0.1:38590 - - [03/Nov/2017 17:06:41] "HTTP/1.1 GET /" - 200 OK

192.168.0.16:39062 - - [03/Nov/2017 17:06:52] "HTTP/1.1 GET /" - 200 OK

127.0.0.1:38624 - - [03/Nov/2017 17:07:58] "HTTP/1.1 GET /" - 200 OK

192.168.0.16:39094 - - [03/Nov/2017 17:08:04] "HTTP/1.1 GET /" - 200 OK

I suspect the problem is that you are using public_ip as the IPv4 address.  Try using 127.0.0.1.  That should work.

That it doesn't work under IPv6 is not unexpected and could probably be fixed easily.

Best,

Jeff

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[Yinuo Hong]

Thank you Jeff!!! That really helped a lot!

在 2017年11月4日星期六 UTC+8上午8:12:45，Jeff Silverman写道：

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