Re: Help, Can't find the default proxy in requests by config
On Thursday, February 21, 2019 at 7:12:40 AM UTC-5, Evi1 T1me wrote:
> ```bash
> ~ python3
> Python 3.7.0 (default, Oct 22 2018, 14:54:27)
> [Clang 10.0.0 (clang-1000.11.45.2)] on darwin
> Type "help", "copyright", "credits" or "license" for more information.
> >>> import requests
> >>> r = requests.get('https://www.baidu.com')
> Traceback (most recent call last):
> File "/usr/local/lib/python3.7/site-packages/urllib3/connection.py", line
> 159, in _new_conn
> (self._dns_host, self.port), self.timeout, **extra_kw)
> File "/usr/local/lib/python3.7/site-packages/urllib3/util/connection.py",
> line 80, in create_connection
> raise err
> File "/usr/local/lib/python3.7/site-packages/urllib3/util/connection.py",
> line 70, in create_connection
> sock.connect(sa)
> ConnectionRefusedError: [Errno 61] Connection refused
>
> During handling of the above exception, another exception occurred:
>
> Traceback (most recent call last):
> File "/usr/local/lib/python3.7/site-packages/urllib3/connectionpool.py",
> line 594, in urlopen
> self._prepare_proxy(conn)
> File "/usr/local/lib/python3.7/site-packages/urllib3/connectionpool.py",
> line 805, in _prepare_proxy
> conn.connect()
> File "/usr/local/lib/python3.7/site-packages/urllib3/connection.py", line
> 301, in connect
> conn = self._new_conn()
> File "/usr/local/lib/python3.7/site-packages/urllib3/connection.py", line
> 168, in _new_conn
> self, "Failed to establish a new connection: %s" % e)
> urllib3.exceptions.NewConnectionError:
> : Failed to
> establish a new connection: [Errno 61] Connection refused
>
> During handling of the above exception, another exception occurred:
>
> Traceback (most recent call last):
> File "/usr/local/lib/python3.7/site-packages/requests/adapters.py", line
> 449, in send
> timeout=timeout
> File "/usr/local/lib/python3.7/site-packages/urllib3/connectionpool.py",
> line 638, in urlopen
> _stacktrace=sys.exc_info()[2])
> File "/usr/local/lib/python3.7/site-packages/urllib3/util/retry.py", line
> 398, in increment
> raise MaxRetryError(_pool, url, error or ResponseError(cause))
> urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='www.baidu.com',
> port=443): Max retries exceeded with url: / (Caused by ProxyError('Cannot
> connect to proxy.',
> NewConnectionError(' 0x10e3ce550>: Failed to establish a new connection: [Errno 61] Connection
> refused')))
>
> During handling of the above exception, another exception occurred:
>
> Traceback (most recent call last):
> File "", line 1, in
> File "/usr/local/lib/python3.7/site-packages/requests/api.py", line 75, in
> get
> return request('get', url, params=params, **kwargs)
> File "/usr/local/lib/python3.7/site-packages/requests/api.py", line 60, in
> request
> return session.request(method=method, url=url, **kwargs)
> File "/usr/local/lib/python3.7/site-packages/requests/sessions.py", line
> 533, in request
> resp = self.send(prep, **send_kwargs)
> File "/usr/local/lib/python3.7/site-packages/requests/sessions.py", line
> 646, in send
> r = adapter.send(request, **kwargs)
> File "/usr/local/lib/python3.7/site-packages/requests/adapters.py", line
> 510, in send
> raise ProxyError(e, request=request)
> requests.exceptions.ProxyError: HTTPSConnectionPool(host='www.baidu.com',
> port=443): Max retries exceeded with url: / (Caused by ProxyError('Cannot
> connect to proxy.',
> NewConnectionError(' 0x10e3ce550>: Failed to establish a new connection: [Errno 61] Connection
> refused')))
> ```
>
> Check the proxy
>
> ```bash
> >>> print(requests.utils.get_environ_proxies('https://www.baidu.com'))
> {'http': 'http://127.0.0.1:', 'https': 'http://127.0.0.1:'}
> ```
>
> Check bash environment
>
> ```bash
> ~ set | grep proxy
> ```
> Nothing output.
>
> ```bash
> ➜ ~ netstat -ant | grep
> tcp4 5 0 127.0.0.1.54437127.0.0.1. CLOSE_WAIT
> tcp4 653 0 127.0.0.1.54436127.0.0.1. CLOSE_WAIT
> tcp4 5 0 127.0.0.1.54434127.0.0.1. CLOSE_WAIT
> ```
>
> ```bash
> ➜ ~ lsof -i:
> COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
> JavaAppli 77714 zerop 54u IPv6 0x975257a323b5690f 0t0 TCP
> localhost:54434->localhost:ddi-tcp-1 (CLOSE_WAIT)
> JavaAppli 77714 zerop 55u IPv6 0x975257a
Help, Can't find the default proxy in requests by config
```bash
~ python3
Python 3.7.0 (default, Oct 22 2018, 14:54:27)
[Clang 10.0.0 (clang-1000.11.45.2)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import requests
>>> r = requests.get('https://www.baidu.com')
Traceback (most recent call last):
File "/usr/local/lib/python3.7/site-packages/urllib3/connection.py", line
159, in _new_conn
(self._dns_host, self.port), self.timeout, **extra_kw)
File "/usr/local/lib/python3.7/site-packages/urllib3/util/connection.py",
line 80, in create_connection
raise err
File "/usr/local/lib/python3.7/site-packages/urllib3/util/connection.py",
line 70, in create_connection
sock.connect(sa)
ConnectionRefusedError: [Errno 61] Connection refused
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/local/lib/python3.7/site-packages/urllib3/connectionpool.py", line
594, in urlopen
self._prepare_proxy(conn)
File "/usr/local/lib/python3.7/site-packages/urllib3/connectionpool.py", line
805, in _prepare_proxy
conn.connect()
File "/usr/local/lib/python3.7/site-packages/urllib3/connection.py", line
301, in connect
conn = self._new_conn()
File "/usr/local/lib/python3.7/site-packages/urllib3/connection.py", line
168, in _new_conn
self, "Failed to establish a new connection: %s" % e)
urllib3.exceptions.NewConnectionError:
: Failed to
establish a new connection: [Errno 61] Connection refused
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/local/lib/python3.7/site-packages/requests/adapters.py", line 449,
in send
timeout=timeout
File "/usr/local/lib/python3.7/site-packages/urllib3/connectionpool.py", line
638, in urlopen
_stacktrace=sys.exc_info()[2])
File "/usr/local/lib/python3.7/site-packages/urllib3/util/retry.py", line
398, in increment
raise MaxRetryError(_pool, url, error or ResponseError(cause))
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='www.baidu.com',
port=443): Max retries exceeded with url: / (Caused by ProxyError('Cannot
connect to proxy.',
NewConnectionError(': Failed to establish a new connection: [Errno 61] Connection
refused')))
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "", line 1, in
File "/usr/local/lib/python3.7/site-packages/requests/api.py", line 75, in get
return request('get', url, params=params, **kwargs)
File "/usr/local/lib/python3.7/site-packages/requests/api.py", line 60, in
request
return session.request(method=method, url=url, **kwargs)
File "/usr/local/lib/python3.7/site-packages/requests/sessions.py", line 533,
in request
resp = self.send(prep, **send_kwargs)
File "/usr/local/lib/python3.7/site-packages/requests/sessions.py", line 646,
in send
r = adapter.send(request, **kwargs)
File "/usr/local/lib/python3.7/site-packages/requests/adapters.py", line 510,
in send
raise ProxyError(e, request=request)
requests.exceptions.ProxyError: HTTPSConnectionPool(host='www.baidu.com',
port=443): Max retries exceeded with url: / (Caused by ProxyError('Cannot
connect to proxy.',
NewConnectionError(': Failed to establish a new connection: [Errno 61] Connection
refused')))
```
Check the proxy
```bash
>>> print(requests.utils.get_environ_proxies('https://www.baidu.com'))
{'http': 'http://127.0.0.1:', 'https': 'http://127.0.0.1:'}
```
Check bash environment
```bash
~ set | grep proxy
```
Nothing output.
```bash
➜ ~ netstat -ant | grep
tcp4 5 0 127.0.0.1.54437127.0.0.1. CLOSE_WAIT
tcp4 653 0 127.0.0.1.54436127.0.0.1. CLOSE_WAIT
tcp4 5 0 127.0.0.1.54434127.0.0.1. CLOSE_WAIT
```
```bash
➜ ~ lsof -i:
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
JavaAppli 77714 zerop 54u IPv6 0x975257a323b5690f 0t0 TCP
localhost:54434->localhost:ddi-tcp-1 (CLOSE_WAIT)
JavaAppli 77714 zerop 55u IPv6 0x975257a33daa290f 0t0 TCP
localhost:54436->localhost:ddi-tcp-1 (CLOSE_WAIT)
JavaAppli 77714 zerop 56u IPv6 0x975257a3366b600f 0t0 TCP
localhost:54437->localhost:ddi-tcp-1 (CLOSE_WAIT)
```
```bash
➜ ~ ps -ef | grep 77714
501 77714 1 0 11:17AM ?? 3:33.55 /Applications/Burp Suite
Community Edition.app/Contents/MacOS/JavaApplicationStub
501 84408 82855 0 5:54AM ttys0020:00.00 grep --color=auto
--exclude-dir=.bzr --exclude-dir=CVS --exclude-dir=.git --exclude-dir=.hg
--exclude-dir=.svn 77714
```
Restart the application BurpSuite Community and then run the command `lsof
-i:`, nothing out
```bash
➜ ~ lsof -i:
```
Check `HTTP_SERVER` and `HTTP_PROXY`
```bash
➜ ~ echo $HTTP_SERVER
➜ ~ echo $HTTP_PROXY
➜ ~ echo $HTTPS_SERVER
```
Restart the computer and try to access Baidu as the following.
```bash
>>> r =
