подскажите, что за ошбка?

medusa -d

Available modules in "." :

Available modules in "/usr/local/lib/medusa/modules" :
+ cvs.mod : Couldn't load "/usr/local/lib/medusa/modules/cvs.mod" [libssh2.so.1: cannot open shared object file: No such file or directory]
+ ftp.mod : Couldn't load "/usr/local/lib/medusa/modules/ftp.mod" [libssh2.so.1: cannot open shared object file: No such file or directory]
+ http.mod : Couldn't load "/usr/local/lib/medusa/modules/http.mod" [libssh2.so.1: cannot open shared object file: No such file or directory]
+ imap.mod : Couldn't load "/usr/local/lib/medusa/modules/imap.mod" [libssh2.so.1: cannot open shared object file: No such file or directory]
+ mssql.mod : Couldn't load "/usr/local/lib/medusa/modules/mssql.mod" [libssh2.so.1: cannot open shared object file: No such file or directory]
+ mysql.mod : Couldn't load "/usr/local/lib/medusa/modules/mysql.mod" [libssh2.so.1: cannot open shared object file: No such file or directory]
+ nntp.mod : Couldn't load "/usr/local/lib/medusa/modules/nntp.mod" [libssh2.so.1: cannot open shared object file: No such file or directory]
+ pcanywhere.mod : Couldn't load "/usr/local/lib/medusa/modules/pcanywhere.mod" [libssh2.so.1: cannot open shared object file: No such file or directory]
+ pop3.mod : Couldn't load "/usr/local/lib/medusa/modules/pop3.mod" [libssh2.so.1: cannot open shared object file: No such file or directory]
+ rexec.mod : Couldn't load "/usr/local/lib/medusa/modules/rexec.mod" [libssh2.so.1: cannot open shared object file: No such file or directory]
+ rlogin.mod : Couldn't load "/usr/local/lib/medusa/modules/rlogin.mod" [libssh2.so.1: cannot open shared object file: No such file or directory]
+ rsh.mod : Couldn't load "/usr/local/lib/medusa/modules/rsh.mod" [libssh2.so.1: cannot open shared object file: No such file or directory]
+ smbnt.mod : Couldn't load "/usr/local/lib/medusa/modules/smbnt.mod" [libssh2.so.1: cannot open shared object file: No such file or directory]
+ smtp-vrfy.mod : Couldn't load "/usr/local/lib/medusa/modules/smtp-vrfy.mod" [libssh2.so.1: cannot open shared object file: No such file or directory]
+ smtp.mod : Couldn't load "/usr/local/lib/medusa/modules/smtp.mod" [libssh2.so.1: cannot open shared object file: No such file or directory]
+ snmp.mod : Couldn't load "/usr/local/lib/medusa/modules/snmp.mod" [libssh2.so.1: cannot open shared object file: No such file or directory]
+ ssh.mod : Couldn't load "/usr/local/lib/medusa/modules/ssh.mod" [libssh2.so.1: cannot open shared object file: No such file or directory]
+ telnet.mod : Couldn't load "/usr/local/lib/medusa/modules/telnet.mod" [libssh2.so.1: cannot open shared object file: No such file or directory]
+ vmauthd.mod : Couldn't load "/usr/local/lib/medusa/modules/vmauthd.mod" [libssh2.so.1: cannot open shared object file: No such file or directory]
+ vnc.mod : Couldn't load "/usr/local/lib/medusa/modules/vnc.mod" [libssh2.so.1: cannot open shared object file: No such file or directory]
+ web-form.mod : Couldn't load "/usr/local/lib/medusa/modules/web-form.mod" [libssh2.so.1: cannot open shared object file: No such file or directory]
+ wrapper.mod : Couldn't load "/usr/local/lib/medusa/modules/wrapper.mod" [libssh2.so.1: cannot open shared object file: No such file or directory]