dcache Firewall Issue

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1 dcache Firewall Issue Tigran Mkrtchyan for dcache Team

2 Protocols and Ports 20000:25000 => gridftp in pools 33115:33145 => passive dcap & xrootd 8443 => SRM => ssh => dcap => gsidcap 1049 => xrootd 2811 => gridftp 2288 => httpd 11111/udp => lm xxxxxx => cells interconnect

3 FTP MODES BLOCK MODE regular FTP Extended BLOCK MODE (EMODE) out-of-sequence data delivery block offset parallel streams (passive mode only) extended EMODE (XMODE) removed unidirectional transfer limitation added data integrity

4 FTP write ( pool passive ) Client data flow Door Pool

5 FTP write ( pool active ) Client data flow Door Pool

6 FTPv1 write (EMODE) Client data flow Door Pool SocketAdapter

7 FTPv2 write (XMODE) Client data flow Door Pool

8 FTP read ( pool active ) Client data flow Door Pool

9 FTP read ( pool passive ) Client data flow Door Pool

10 FTP read ( pool passive ) Client data flow Door Pool

11 FTS(FTP) COPY Door Pool Source 2. PORT 1. PASSV 3. STOR 4. RETR FTS 5. data transfer Door Pool Dest.

12 SRM PUT (gsiftp) SRM ftp Client get TURL data flow ftp write SRM dcache Dest.

13 SRM GET (gsiftp) SRM ftp Client get TURL data flow ftp read SRM dcache Dest.

14 SRM COPY-PUSH src-srm SRM-client PUT dest-srm

15 SRM COPY-PUSH (gsiftp) SRM dcache Source get TURL data flow ftp write SRM dcache Dest.

16 SRM COPY-PULL src-srm GET dest-srm SRM-client

17 SRM COPY-PULL (gsiftp) SRM dcache Source get TURL data flow ftp read SRM dcache Dest.

18 SRM COPY (gsiftp) SRM dcache Source get TURL ftp client ftp read pool SRM dcache Dest.

19 DCAP (read, write) Client Door Pool

20 PASV. DCAP (read, write) Client Door Pool

21 xroot (read, write) Client Door Pool

22 xrootd (read, write) Client Door Pool

23 Tweeking FTP data connections: dcachesetup file: clientdataportrange=20000:25000 java_options (dcachesetup): -Dorg.globus.tcp.port.range=20000,25000 DCAP and xrootd: java_options (dcachesetup): -Dorg.dcache.net.tcp.portrange=33115:33145

24 Tweeking (lm.config) # lm.config # define dcachedomain listen dcachedomain -port=<port> # # define * defaultroute * dcachedomain connect * dcachedomain define lmdomain #

25 Multihomed doors -listen <IP> option in the batch file allowes to bind a door to an interface. gsiftpadapterinternalinterface parametr in dcachesetup files defines the interface for pool<->adapter communication.

26 Multihomed Pools There is no special support for multihomed pools. This means, that there is no special effort to propagate network/firewall setup into dcache. As a solution for complex setups, please use PoolManager's network units and links.

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