Senior Member
Join Date: Sep 2004
Location: /dev/urandom
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08-02-2021
, 20:11
Re: [Linux] Source Query Proxy: DDoS Protection - Kernel redirection!
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#125
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Trying this since a few days with cstrike (hlds), but i dont understand the log entrys:
02-hlds-game.yaml
Code:
entrypoint: '{CONFDIR}/dummy_hlds_entrypoint.py:DummyHLDSProxy'
network:
bind_ip: '1.2.3.4'
server_port: 27015
bind_port: 27018
no_a2s_rules: false
dummy_hlds_entrypoint.py
Code:
from source_query_proxy.proxy import QueryProxy
class DummyHLDSProxy(QueryProxy):
"""Here you can put your own logic and/or override exists
"""
Code:
user@host:~# sqproxy run
2021-08-02 02:39:24,466 [INFO] [sqproxy.config] Confdir not found: /etc/sqproxy/conf.d
2021-08-02 02:39:24,467 [INFO] [sqproxy.config] Found config: conf.d/00-globals.yaml
2021-08-02 02:39:24,471 [INFO] [sqproxy.config] Found config: conf.d/02-hlds-game.yaml
2021-08-02 02:39:24,474 [INFO] [sqproxy] eBPF redirection enabled
2021-08-02 02:39:24,474 [INFO] [sqproxy] Wait all proxies to be ready ...
2021-08-02 02:39:24,474 [INFO] [hlds-server] Binding ...
2021-08-02 02:39:24,478 [INFO] [hlds-server] Binding ... done!
2021-08-02 02:39:24,478 [INFO] [hlds-server] Listen for client requests ...
2021-08-02 02:39:24,498 [INFO] [sqproxy] Wait all proxies to be ready ... Done!
2021-08-02 02:39:24,499 [WARNING] [pr2modules.ipdb.main] Deprecation warning https://docs.pyroute2.org/ipdb_toc.html
2021-08-02 02:39:24,504 [INFO] [source_query_proxy.epbf] Run ['sqredirect', '-p', '1.2.3.4:27015:27018', '-i', 'eth0']
2021-08-02 02:39:25,007 [WARNING] [pr2modules.ipdb.main] Deprecation warning https://docs.pyroute2.org/ipdb_toc.html
2021-08-02 02:39:25,013 [INFO] [main] Building eBPF program ..., cflags=['-include', 'utils.h', '-DUSE_IPPORT_KEY']
2021-08-02 02:39:27,413 [INFO] [main] Attach eBPF program to interface ...
2021-08-02 02:39:27,414 [DEBUG] [main] Setup incoming hook (2) (b'incoming')
2021-08-02 02:39:27,420 [DEBUG] [main] Setup outgoing hook (2) (b'outgoing')
2021-08-02 02:39:27,421 [INFO] [main] Running ...
2021-08-02 02:42:48,824 [INFO] [hlds-server] Backing off _update_players(...) for 0.4s (concurrent.futures._base.TimeoutError)
2021-08-02 02:42:50,182 [INFO] [hlds-server] Backing off _update_players(...) for 0.0s (concurrent.futures._base.TimeoutError)
2021-08-02 02:42:51,194 [INFO] [hlds-server] Backing off _update_players(...) for 0.1s (concurrent.futures._base.TimeoutError)
2021-08-02 02:42:52,346 [INFO] [hlds-server] Backing off _update_players(...) for 0.0s (concurrent.futures._base.TimeoutError)
2021-08-02 03:04:39,788 [INFO] [hlds-server] Backing off _update_players(...) for 0.4s (concurrent.futures._base.TimeoutError)
2021-08-02 04:34:50,907 [INFO] [hlds-server] Backing off _update_players(...) for 0.2s (concurrent.futures._base.TimeoutError)
2021-08-02 04:59:54,559 [INFO] [hlds-server] Backing off _update_players(...) for 0.1s (concurrent.futures._base.TimeoutError)
2021-08-02 05:50:02,014 [INFO] [hlds-server] Backing off _update_players(...) for 0.5s (concurrent.futures._base.TimeoutError)
2021-08-02 06:40:09,434 [INFO] [hlds-server] Backing off _update_players(...) for 0.2s (concurrent.futures._base.TimeoutError)
2021-08-02 07:05:13,109 [INFO] [hlds-server] Backing off _update_players(...) for 0.4s (concurrent.futures._base.TimeoutError)
2021-08-02 09:30:34,938 [INFO] [hlds-server] Backing off _update_players(...) for 1.0s (concurrent.futures._base.TimeoutError)
2021-08-02 09:55:38,643 [INFO] [hlds-server] Backing off _update_players(...) for 0.5s (concurrent.futures._base.TimeoutError)
2021-08-02 10:40:45,752 [INFO] [hlds-server] Backing off _update_players(...) for 0.3s (concurrent.futures._base.TimeoutError)
2021-08-02 11:25:52,975 [INFO] [hlds-server] Backing off _update_players(...) for 0.1s (concurrent.futures._base.TimeoutError)
2021-08-02 12:16:00,502 [INFO] [hlds-server] Backing off _update_players(...) for 0.5s (concurrent.futures._base.TimeoutError)
2021-08-02 13:31:11,062 [INFO] [hlds-server] Backing off _update_players(...) for 0.7s (concurrent.futures._base.TimeoutError)
2021-08-02 13:56:14,974 [INFO] [hlds-server] Backing off _update_players(...) for 0.5s (concurrent.futures._base.TimeoutError)
2021-08-02 16:46:40,325 [INFO] [hlds-server] Backing off _update_players(...) for 0.9s (concurrent.futures._base.TimeoutError)
2021-08-02 17:31:47,246 [INFO] [hlds-server] Backing off _update_players(...) for 0.5s (concurrent.futures._base.TimeoutError)
2021-08-02 19:07:02,116 [INFO] [hlds-server] Backing off _update_players(...) for 0.7s (concurrent.futures._base.TimeoutError)
2021-08-02 19:18:02,821 [INFO] [hlds-server] Backing off _update_players(...) for 0.0s (concurrent.futures._base.TimeoutError)
2021-08-02 19:43:06,131 [INFO] [hlds-server] Backing off _update_players(...) for 0.2s (concurrent.futures._base.TimeoutError)
2021-08-02 20:33:13,434 [INFO] [hlds-server] Backing off _update_players(...) for 0.2s (concurrent.futures._base.TimeoutError)
2021-08-02 21:23:20,935 [INFO] [hlds-server] Backing off _update_players(...) for 0.0s (concurrent.futures._base.TimeoutError)
2021-08-02 22:25:15,034 [INFO] [hlds-server] Backing off _update_players(...) for 0.3s (concurrent.futures._base.TimeoutError)
2021-08-02 22:57:58,343 [INFO] [hlds-server] Backing off _update_players(...) for 1.0s (concurrent.futures._base.TimeoutError)
2021-08-02 23:20:00,042 [INFO] [hlds-server] Backing off _update_players(...) for 0.4s (concurrent.futures._base.TimeoutError)
2021-08-02 23:20:04,010 [INFO] [hlds-server] Backing off _update_rules(...) for 0.1s (concurrent.futures._base.TimeoutError)
2021-08-02 23:46:04,938 [INFO] [hlds-server] Backing off _update_players(...) for 0.7s (concurrent.futures._base.TimeoutError)
2021-08-02 23:46:09,843 [INFO] [hlds-server] Backing off _update_rules(...) for 0.1s (concurrent.futures._base.TimeoutError)
2021-08-03 00:11:33,490 [INFO] [hlds-server] Backing off _update_players(...) for 0.1s (concurrent.futures._base.TimeoutError)
2021-08-03 00:11:34,628 [INFO] [hlds-server] Backing off _update_players(...) for 0.3s (concurrent.futures._base.TimeoutError)
2021-08-03 00:11:37,569 [INFO] [hlds-server] Backing off _update_info(...) for 0.3s (concurrent.futures._base.TimeoutError)
2021-08-03 00:23:13,419 [INFO] [hlds-server] Backing off _update_players(...) for 0.6s (concurrent.futures._base.TimeoutError)
2021-08-03 00:30:59,254 [INFO] [hlds-server] Backing off _update_players(...) for 0.1s (concurrent.futures._base.TimeoutError)
2021-08-03 00:31:00,324 [INFO] [hlds-server] Backing off _update_players(...) for 0.3s (concurrent.futures._base.TimeoutError)
2021-08-03 00:57:06,126 [INFO] [hlds-server] Backing off _update_players(...) for 0.6s (concurrent.futures._base.TimeoutError)
2021-08-03 00:57:10,994 [INFO] [hlds-server] Backing off _update_rules(...) for 0.7s (concurrent.futures._base.TimeoutError)
could you please explain what theses entries do actually mean, since the server is reachable while these occur.
when stopping the sqproxy on the console with ctrl+c:
Code:
2021-08-03 01:17:18,998 [DEBUG] [main] Cleanup (2)
2021-08-03 01:17:19,005 [DEBUG] [main] Cleanup (2) done
2021-08-03 01:17:19,006 [DEBUG] [main] Cleanup (2)
Error in atexit._run_exitfuncs:
Traceback (most recent call last):
File "/usr/local/lib/python3.7/dist-packages/sqredirect-1.2.1-py3.7.egg/sqredirect/redirect.py", line 200, in cleanup
ipr.tc("del", "ingress", ifindex, "ffff:")
File "/usr/local/lib/python3.7/dist-packages/pyroute2.core-0.6.4-py3.7.egg/pr2modules/iproute/linux.py", line 1662, in tc
return tuple(self.nlm_request(msg, msg_type=command, msg_flags=flags))
File "/usr/local/lib/python3.7/dist-packages/pyroute2.core-0.6.4-py3.7.egg/pr2modules/netlink/nlsocket.py", line 391, in nlm_request
return tuple(self._genlm_request(*argv, **kwarg))
File "/usr/local/lib/python3.7/dist-packages/pyroute2.core-0.6.4-py3.7.egg/pr2modules/netlink/nlsocket.py", line 884, in nlm_request
callback=callback):
File "/usr/local/lib/python3.7/dist-packages/pyroute2.core-0.6.4-py3.7.egg/pr2modules/netlink/nlsocket.py", line 394, in get
return tuple(self._genlm_get(*argv, **kwarg))
File "/usr/local/lib/python3.7/dist-packages/pyroute2.core-0.6.4-py3.7.egg/pr2modules/netlink/nlsocket.py", line 719, in get
raise msg['header']['error']
pr2modules.netlink.exceptions.NetlinkError: (22, 'Invalid argument')
bcc:
Code:
python3 -c 'import bcc; print(bcc.__version__);'
0.21.0-b912d0b0
i'm using a 5.12-kernel on debian 10.
Last edited by AllMassive; 08-03-2021 at 21:53.
Reason: typo!+more info
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