{"action":"created","issue":{"url":"https://api.github.com/repos/grke/burp/issues/481","repository_url":"https://api.github.com/repos/grke/burp","labels_url":"https://api.github.com/repos/grke/burp/issues/481/labels{/name}","comments_url":"https://api.github.com/repos/grke/burp/issues/481/comments","events_url":"https://api.github.com/repos/grke/burp/issues/481/events","html_url":"https://github.com/grke/burp/issues/481","id":178302717,"number":481,"title":"Could not find ssl_cert : No such file or directory","user":{"login":"Spheerys","id":2228364,"avatar_url":"https://avatars.githubusercontent.com/u/2228364?v=3","gravatar_id":"","url":"https://api.github.com/users/Spheerys","html_url":"https://github.com/Spheerys","followers_url":"https://api.github.com/users/Spheerys/followers","following_url":"https://api.github.com/users/Spheerys/following{/other_user}","gists_url":"https://api.github.com/users/Spheerys/gists{/gist_id}","starred_url":"https://api.github.com/users/Spheerys/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Spheerys/subscriptions","organizations_url":"https://api.github.com/users/Spheerys/orgs","repos_url":"https://api.github.com/users/Spheerys/repos","events_url":"https://api.github.com/users/Spheerys/events{/privacy}","received_events_url":"https://api.github.com/users/Spheerys/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":3,"created_at":"2016-09-21T10:07:44Z","updated_at":"2016-09-21T10:36:12Z","closed_at":null,"body":"Hi,\r\n\r\nI'm using Burp 2.0.47 on a server, and I have 5 working Burp clients\r\nBut on one client, Burp dosen't want to connect to the server !\r\n\r\nWhen I'm launching `burp -a b` I have theses errors : \r\n```\r\n2016-09-21 11:59:27: burp[15296] Could not find ssl_cert /etc/burp/ssl_cert-client.pem: No such file or directory\r\n2016-09-21 11:59:27: burp[15296] Could not find ssl_key /etc/burp/ssl_cert-client.key: No such file or directory\r\n2016-09-21 11:59:27: burp[15296] Could not find ssl_cert_ca /etc/burp/ssl_cert_ca.pem: No such file or directory\r\n```\r\nAnd effectively, a `ls -al /etc/burp/` give me : \r\n```\r\ntotal 40\r\ndrwxr-xr-x   5 root root 4096 sept. 18 20:29 .\r\ndrwxr-xr-x 102 root root 4096 sept. 18 20:29 ..\r\ndrwxr-xr-x   3 root root 4096 sept. 18 20:29 autoupgrade\r\n-rw-r--r--   1 root root 4497 sept. 18 21:21 burp.conf\r\n-rw-r--r--   1 root root 6406 sept. 18 20:29 burp-server.conf\r\ndrwxr-xr-x   2 root root 4096 sept. 18 20:29 CA-client\r\n-rw-r--r--   1 root root  781 sept. 18 20:29 CA.cnf\r\ndrwxr-xr-x   3 root root 4096 sept. 18 20:29 clientconfdir\r\n```\r\n\r\nOn other clients, I have the ssl certs in this place !\r\n\r\nI have uninstalled Burp on this problematic client, delete all conf files, recompile it, checked three times the `/etc/burp/burp.conf` file without find any clue.\r\nSame for the `/etc/burp/clientconfdir/problematicserver.conf` on the server side !\r\nEverything look good (I can post them is need)\r\n\r\nWhat did I miss ?"},"comment":{"url":"https://api.github.com/repos/grke/burp/issues/comments/248573861","html_url":"https://github.com/grke/burp/issues/481#issuecomment-248573861","issue_url":"https://api.github.com/repos/grke/burp/issues/481","id":248573861,"user":{"login":"grke","id":695039,"avatar_url":"https://avatars.githubusercontent.com/u/695039?v=3","gravatar_id":"","url":"https://api.github.com/users/grke","html_url":"https://github.com/grke","followers_url":"https://api.github.com/users/grke/followers","following_url":"https://api.github.com/users/grke/following{/other_user}","gists_url":"https://api.github.com/users/grke/gists{/gist_id}","starred_url":"https://api.github.com/users/grke/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/grke/subscriptions","organizations_url":"https://api.github.com/users/grke/orgs","repos_url":"https://api.github.com/users/grke/repos","events_url":"https://api.github.com/users/grke/events{/privacy}","received_events_url":"https://api.github.com/users/grke/received_events","type":"User","site_admin":false},"created_at":"2016-09-21T10:36:12Z","updated_at":"2016-09-21T10:36:12Z","body":"```\r\n2016-09-21 12:20:41: burp[28695] could not connect to burpserver.domain.net:4971\r\n```\r\n\r\nThis means that the network connection is not being made to the server.\r\nThe server therefore never hears anything from the client and logs nothing.\r\nAnd the client never manages to do the certificate exchanged, because it never connects to the server.\r\n\r\nHave you got the address correct in the client burp.conf?\r\nIf you have put a name that needs to be resolved into the client burp.conf, can the client OS resolve that name?\r\nWhat happens if you try to ping burpserver.domain.net from the client?\r\n\r\nHave you got the port number correct in the client burp.conf?\r\nWhat happens if you try to telnet to port 4971 of burpserver.domain.net from the client? \r\n\r\nIs there a firewall between your client and the server?\r\nIs it blocking the burp server's port?\r\n\r\nIs the server using ipv4 or ipv6?\r\nWhat about the client?"}}
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