Re: Core dumps
Scott Haneda <[email protected]> Thu, 7 May 2009 22:22:24 -0700
| Newsgroups | gmane.network.dns.bind9.dlz |
|---|---|
| Message-ID | <[email protected]> |
Here is a new an interesting thing I just noticed. I turned on mysql query logging to be able to see if any one query in particular was causing an issue. I kept similar to this: 090508 3:09:34 24 Query SELECT zone FROM resource_records WHERE zone = 'www.a.com' 24 Query SELECT zone FROM resource_records WHERE zone = 'a.com' 24 Query SELECT zone FROM resource_records WHERE zone = 'com' That is the result of one dig: dig www.a.com @ns1.example.com SOA Why is it spitting it up and trying all three? I can make some pretty cool looking logs with this, which can not be nice on the DB, let alone the fact that people could use this to beat the heck out of any DLZ db out there... dig a.b.c.d.e.f.g.h.i.j.k.l.m.n.o.p.q.r.s.t.u.v.w.x.y.z.com @ns1.example.com SOA SELECT zone FROM resource_records WHERE zone = 'a.b.c.d.e.f.g.h.i.j.k.l.m.n.o.p.q.r.s.t.u.v.w.x.y.z.com' SELECT zone FROM resource_records WHERE zone = 'b.c.d.e.f.g.h.i.j.k.l.m.n.o.p.q.r.s.t.u.v.w.x.y.z.com' SELECT zone FROM resource_records WHERE zone = 'c.d.e.f.g.h.i.j.k.l.m.n.o.p.q.r.s.t.u.v.w.x.y.z.com' SELECT zone FROM resource_records WHERE zone = 'd.e.f.g.h.i.j.k.l.m.n.o.p.q.r.s.t.u.v.w.x.y.z.com' SELECT zone FROM resource_records WHERE zone = 'e.f.g.h.i.j.k.l.m.n.o.p.q.r.s.t.u.v.w.x.y.z.com' SELECT zone FROM resource_records WHERE zone = 'f.g.h.i.j.k.l.m.n.o.p.q.r.s.t.u.v.w.x.y.z.com' SELECT zone FROM resource_records WHERE zone = 'g.h.i.j.k.l.m.n.o.p.q.r.s.t.u.v.w.x.y.z.com' SELECT zone FROM resource_records WHERE zone = 'h.i.j.k.l.m.n.o.p.q.r.s.t.u.v.w.x.y.z.com' SELECT zone FROM resource_records WHERE zone = 'i.j.k.l.m.n.o.p.q.r.s.t.u.v.w.x.y.z.com' SELECT zone FROM resource_records WHERE zone = 'j.k.l.m.n.o.p.q.r.s.t.u.v.w.x.y.z.com' SELECT zone FROM resource_records WHERE zone = 'k.l.m.n.o.p.q.r.s.t.u.v.w.x.y.z.com' SELECT zone FROM resource_records WHERE zone = 'l.m.n.o.p.q.r.s.t.u.v.w.x.y.z.com' SELECT zone FROM resource_records WHERE zone = 'm.n.o.p.q.r.s.t.u.v.w.x.y.z.com' SELECT zone FROM resource_records WHERE zone = 'n.o.p.q.r.s.t.u.v.w.x.y.z.com' SELECT zone FROM resource_records WHERE zone = 'o.p.q.r.s.t.u.v.w.x.y.z.com' SELECT zone FROM resource_records WHERE zone = 'p.q.r.s.t.u.v.w.x.y.z.com' SELECT zone FROM resource_records WHERE zone = 'q.r.s.t.u.v.w.x.y.z.com' SELECT zone FROM resource_records WHERE zone = 'r.s.t.u.v.w.x.y.z.com' SELECT zone FROM resource_records WHERE zone = 's.t.u.v.w.x.y.z.com' SELECT zone FROM resource_records WHERE zone = 't.u.v.w.x.y.z.com' SELECT zone FROM resource_records WHERE zone = 'u.v.w.x.y.z.com' SELECT zone FROM resource_records WHERE zone = 'v.w.x.y.z.com' SELECT zone FROM resource_records WHERE zone = 'w.x.y.z.com' SELECT zone FROM resource_records WHERE zone = 'x.y.z.com' SELECT zone FROM resource_records WHERE zone = 'y.z.com' SELECT zone FROM resource_records WHERE zone = 'z.com' SELECT zone FROM resource_records WHERE zone = 'com' Suggestions? -- Scott * If you contact me off list replace talklists@ with scott@ * ------------------------------------------------------------------------------ The NEW KODAK i700 Series Scanners deliver under ANY circumstances! Your production scanning environment may not be a perfect world - but thanks to Kodak, there's a perfect scanner to get the job done! With the NEW KODAK i700 Series Scanner you'll get full speed at 300 dpi even with all image processing features enabled. http://p.sf.net/sfu/kodak-com