Database:  localhost:/opt/fb30/examples/empbuild/employee.fdb
SQL> show version;
ISQL Version: LI-T3.0.0.30734 Firebird 3.0 Alpha 1
Server version:
Firebird/Linux/AMD/Intel/x64 (access method), version "LI-T3.0.0.30734 Firebird 3.0 Alpha 1"
Firebird/Linux/AMD/Intel/x64 (remote server), version "LI-T3.0.0.30734 Firebird 3.0 Alpha 1/tcp (oel64)/P13:C"
Firebird/Linux/AMD/Intel/x64 (remote interface), version "LI-T3.0.0.30734 Firebird 3.0 Alpha 1/tcp (oel64)/P13:C"
on disk structure version 12.0
SQL> quit;

[root@oel64 15:37:01 fb30]$ /opt/fb30/bin/gfix -online idx_under_load_test.fdb
internal Firebird consistency check (wrong record length (183), file: vio.cpp line: 1248)

Statement failed, SQLSTATE = 08004
connection rejected by remote interface
Use CONNECT or CREATE DATABASE to specify a database

$  grep "^[^#;]" firebird.conf
Auth_Server = Srp, Legacy_Auth
AuthClient = Legacy_Auth,  Srp, Win_Sspi
 UserManager = Legacy_UserManager 
WireCrypt = Enabled

Statement failed, SQLSTATE = 28000
Your user name and password are not defined. Ask your database administrator to set up a Firebird login.
Use CONNECT or CREATE DATABASE to specify a database

AuthServer = Srp, Legacy_Auth

[root@oel64 00:40:43 fb30]$ grep "^[^#;]" firebird.conf
AuthServer =  Legacy_Auth ,Srp
AuthClient =  Legacy_Auth ,Srp,Win_Sspi
UserManager = Legacy_UserManager
BugcheckAbort = 1
WireCrypt = Enabled
RemoteServicePort = 3330

[root@oel64 00:39:50 fb30]$ /etc/init.d/fb30 restart
Stopping Firebird server [fb30]:                           [  OK  ]
Starting Firebird server [fb30]                            [  OK  ]

[root@oel64 00:46:07 fb30]$ gsec -di
     user name                    uid   gid admin     full name
------------------------------------------------------------------------------------------------
SYSDBA                              0     0           Sql        Server     Administrator
 U25                                  0     0 -- его добавлял via create user, при  UserManager = Legacy_UserManager  в конфиге Firebird'a!

[root@oel64 00:43:51 fb30]$ /opt/fb30/bin/isql localhost/3330:idx_test -z -user sysdba -pas masterke
ISQL Version: LI-T3.0.0.30734 Firebird 3.0 Alpha 1
Server version:
LI-T3.0.0.30734 Firebird 3.0 Alpha 1
LI-T3.0.0.30734 Firebird 3.0 Alpha 1/tcp (oel64)/P13:C
LI-T3.0.0.30734 Firebird 3.0 Alpha 1/tcp (oel64)/P13:C
Database:  localhost/3330:idx_test, User: sysdba

SQL> set list on; commit; select mon$auth_method from mon$attachments where mon$attachment_id=current_conne

MON$AUTH_METHOD                 Srp

[root@oel64 00:50:23 fb30]$ /opt/fb30/bin/isql localhost/3330:idx_test -z -user u25 -pas u25
ISQL Version: LI-T3.0.0.30734 Firebird 3.0 Alpha 1
Statement failed, SQLSTATE = 28000
Your user name and password are not defined. Ask your database administrator to set up a Firebird login.
Use CONNECT or CREATE DATABASE to specify a database

C:\MIX\firebird\fb25>isql 192.168.0.220/3330:idx_test -z -user sysdba -pas masterke
ISQL Version: WI-V2.5.3.26661 Firebird 2.5
Statement failed, SQLSTATE = 28000
Your user name and password are not defined. Ask your database administrator to set up a Firebird login.
Use CONNECT or CREATE DATABASE to specify a database

C:\MIX\firebird\fb25>isql 192.168.0.220/3330:idx_test -n -user u25 -pas u25 -z
ISQL Version: WI-V2.5.3.26661 Firebird 2.5
Statement failed, SQLSTATE = 28000
Your user name and password are not defined. Ask your database administrator to set up a Firebird login.
Use CONNECT or CREATE DATABASE to specify a database

$ ls -la -R /opt/fb30/plugins | grep -i lega
-rwxr-xr-x.  1 firebird firebird  130600 Nov 15 15:32 libLegacy_UserManager.so
-rwxr-xr-x. 1 firebird firebird  1047845 Nov 15 15:33 libLegacy_UserManager.so.debug

$ ls -la -R /root/downloads/fb30prev/fb30/plugins | grep -i lega
-rwxr-xr-x.  1 firebird firebird  130600 Oct 28 15:42 libLegacy_UserManager.so
-rwxr-xr-x. 1 firebird firebird  1047477 Oct 28 15:43 libLegacy_UserManager.so.debug

[root@oel64 11:19:31 plugins]$ updatedb
[root@oel64 11:19:40 plugins]$ locate -i legacy_auth
/root/downloads/fb30snap/builds/ win32 /msvc10/legacy_auth.vcxproj
/root/downloads/fb30snap/builds/ win32 /msvc10/legacy_auth.vcxproj.filters
[root@oel64 11:19:48 plugins]$ locate -i legacyauth
-- no rows --

$ cat svn_co_20131116_1435.log
U    fb30snap/ChangeLog
U    fb30snap/src/jrd/met.epp
U    fb30snap/src/jrd/irq.h
U    fb30snap/src/jrd/build_no.h
U    fb30snap/src/misc/writeBuildNum.sh
Checked out revision 58795.

Date: Fri, 15 Nov 2013 12:46:37 +0400
 From: Alex Peshkoff <peshkoff@mail.ru>; 
Subject: Re: [Firebird-devel] [Firebird-checkins]  SF.net SVN:
        firebird:[58787] firebird/trunk 
To: For discussion among Firebird Developers
        <firebird-devel@lists.sourceforge.net>;
Message-ID: <5285DF6D.3030104@mail.ru>;
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

On 11/14/13 20:16, alexpeshkoff@users.sourceforge.net wrote:
>  Revision: 58787
>              http://sourceforge.net/p/firebird/code/58787 
>  Author:   alexpeshkoff
>  Date:     2013-11-14 16:16:24 +0000 (Thu, 14 Nov 2013)
>  Log Message:
>  -----------
>  Implemented CORE-4263: Database linger

 Warning: this commit changed ODS, therefore old databases have
bugcheck(183) .