RE: SSL renegotiation DOS ?

2006-05-12 Thread David Schwartz
> You can, for example, test this with command: > > "while true; do echo R; done | openssl s_client -connect ssl_host:443" > > Maybe there should be added something like "renegotiation_rate" ? Real-world servers already do this. It's kind of redundant for OpenSSL to do this as well becau

RE: SSL renegotiation DOS ?

2006-05-12 Thread Marek Marcola
Hello, > > You can, for example, test this with command: > > > > "while true; do echo R; done | openssl s_client -connect ssl_host:443" > > > > Maybe there should be added something like "renegotiation_rate" ? > > Real-world servers already do this. It's kind of redundant for OpenSSL > to >

RE: SSL renegotiation DOS ?

2006-05-12 Thread David Schwartz
> > Real-world servers already do this. It's kind of redundant > > for OpenSSL to > > do this as well because almost all applications also support non-SSL > > connections. A renegotiation callback might not be a bad idea though, so > > that applications can better track the load clients are pl

RE: SSL renegotiation DOS ?

2006-05-13 Thread Marek Marcola
Hello, > > Application layer do not see this. > > Right, that's why I suggested making it visible to the application > layer. > The application layer already has to have code to handle excessive load > because there are many ways to place load that are not visible at the SSL > layer. Bette