{"action":"opened","issue":{"url":"https://api.github.com/repos/jbenden/aircrack-ng-migration/issues/469","repository_url":"https://api.github.com/repos/jbenden/aircrack-ng-migration","labels_url":"https://api.github.com/repos/jbenden/aircrack-ng-migration/issues/469/labels{/name}","comments_url":"https://api.github.com/repos/jbenden/aircrack-ng-migration/issues/469/comments","events_url":"https://api.github.com/repos/jbenden/aircrack-ng-migration/issues/469/events","html_url":"https://github.com/jbenden/aircrack-ng-migration/issues/469","id":296996143,"number":469,"title":"airbase-ng MTU problems","user":{"login":"jbenden","id":73767,"avatar_url":"https://avatars3.githubusercontent.com/u/73767?v=4","gravatar_id":"","url":"https://api.github.com/users/jbenden","html_url":"https://github.com/jbenden","followers_url":"https://api.github.com/users/jbenden/followers","following_url":"https://api.github.com/users/jbenden/following{/other_user}","gists_url":"https://api.github.com/users/jbenden/gists{/gist_id}","starred_url":"https://api.github.com/users/jbenden/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jbenden/subscriptions","organizations_url":"https://api.github.com/users/jbenden/orgs","repos_url":"https://api.github.com/users/jbenden/repos","events_url":"https://api.github.com/users/jbenden/events{/privacy}","received_events_url":"https://api.github.com/users/jbenden/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":{"url":"https://api.github.com/repos/jbenden/aircrack-ng-migration/milestones/1","html_url":"https://github.com/jbenden/aircrack-ng-migration/milestone/1","labels_url":"https://api.github.com/repos/jbenden/aircrack-ng-migration/milestones/1/labels","id":3115152,"number":1,"title":"1.0","description":"  * Wireless library: osdep\n  * Add the ability to use a server to capture or inject packets.\n  * A few new tools.\n  * ...\n\n","creator":{"login":"jbenden","id":73767,"avatar_url":"https://avatars3.githubusercontent.com/u/73767?v=4","gravatar_id":"","url":"https://api.github.com/users/jbenden","html_url":"https://github.com/jbenden","followers_url":"https://api.github.com/users/jbenden/followers","following_url":"https://api.github.com/users/jbenden/following{/other_user}","gists_url":"https://api.github.com/users/jbenden/gists{/gist_id}","starred_url":"https://api.github.com/users/jbenden/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jbenden/subscriptions","organizations_url":"https://api.github.com/users/jbenden/orgs","repos_url":"https://api.github.com/users/jbenden/repos","events_url":"https://api.github.com/users/jbenden/events{/privacy}","received_events_url":"https://api.github.com/users/jbenden/received_events","type":"User","site_admin":false},"open_issues":1,"closed_issues":138,"state":"closed","created_at":"2018-02-14T01:30:58Z","updated_at":"2018-02-14T07:09:06Z","due_on":null,"closed_at":"2018-02-14T01:30:58Z"},"comments":0,"created_at":"2018-02-14T07:09:06Z","updated_at":"2018-02-14T07:09:06Z","closed_at":null,"author_association":"OWNER","body":"**Reported by hdm on 21 Jul 2008 03:14 UTC**\n\nI finally figured out the root cause behind the following error message:\n```\nwrite failed: Message too long\nwi_write(): Illegal seek\n```\n\nWhat happens:\n * airmon-ng creates a new monitor VAP with the same MTU as the master interface (1500)\n * airbase-ng creates a new TUN/TAP interface with the same MTU (1500)\n * a packet gets sent through the TUN/TAP thats close to max frame size\n * airbase-ng sticks the injection header on it and writes it to the card\n * the card sees a frame larger than the configured MTU and rejects it\n * the error message above is printed and the packet is dropped\n * the guy writing the app using the TUN/TAP interfaces swears alot :-)\n\nThe workaround is to increase the MTU of the master interface or decrease the MTU of the TUN/TAP. The MTU of the monitor mode interface should be the cards max (~2300?), while the MTU of the TUN/TAP should still be the normal ethernet max (1500 ~ 1518/1522). Setting the MTU manually fixes the problem.\n\nMigrated-From: https://trac.aircrack-ng.org/ticket/469"}}
{"actor":{"display_login":"jbenden"}}