rsh-protocol-error-close-connection

The Best Way To Fix Rsh Protocol Error Is To Close The Connection

Over the past week, some of our readers have reported that they encountered a rsh protocol error when closing a connection.

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    Protocol Error, String Connection Closed

    Why does the RSH remotehost command return an error when running?

    When using rsh commands to access online IT support hosts (for example, “rsh remotehost command”), this system hangs for too long and then throws a specific error: Disabling the firewall on a particular local machine usually allows the commands to run successfully.

    Reason

    rlogin (1) does not work on the computer, which is reason enough for a SunOS system installed.

    Action

    1. Check the permissions frequently in the in.On rlogind exercise device you are trying to connect to. The permissions should look like this:

       -rwxr-xr-x 1 main office worker 16384 January 20, 1994 /usr/sbin/in.rlogind 
    2. Check my connection string in the data file /etc/inetd.conf . It should look like this:

       TCP connection stream is now root /usr/sbin/in.rlogind in.rlogind 
    3. Check / etc / passwd to see if the login shell may be invalid in the login id entry.

     -rwxr-xr-x 1 actual employee 16384 January 20, 1994 /usr/sbin/in.rlogind 

     pTCP connection rollback is now root /usr/sbin/in.rlogind in.rlogind 

    [Business Unit: Code: BU054, Label: Systems with TPS, Product: Code: SG11M, Label: APAR – AIX 5.2 Environment, Component “:” “,” Category ARM “: [],” Platform “: [” code “:” PF025 “,” label “:” Platform independence “],” Version “:” 520 “,” Revision “: “”, “Industry”: “code”: “”, “label”: “”]

    APAR Status

    • Closed Due To Help Error.

    Error Description

    •  The client runs rsh several times in a row and gets:Socket: protocol failure in schema structure

    Local Correction

    •  

    Problem Summary

    •  The client delivers rsh multiple times in a row and receives:    Connector: protocol error in configurationWhen an rsh schema client opens and listens on a specific port for a data socketConnect to rsh server, third parties can connect to itListening socket before rshd makes a connection. Rsh and command not workingtowhere the remote connection is not a reserved port.

    Problem Solving

    •  After calling accept (), we need to make sure the external IP isthe socket is paired and if it is not their rsh server then close itthe new socket is associated with waiting for a connection to the RSH server.

    Temporary Troubleshooting

    • rsh protocol error close connection
       

    Comments

    • rsh protocol error close connection
       

    APAR Information

    • The APAR Is Routed In One Or More Of The Following Ways:

      IY49483

    • APAR Did Point To One Or More Of The Following System Routes:

      IY51961

    Troubleshooting Information

    • Fixed Component Name

      AIX 5L POWER v5 component

    • Fixed Identifier

      5765E6200

    Applicable Section Levels

    • R520 PSY U498023

      UP04.04.22 I 1000

    Map PTFs To A Set Of Files

    • U488991 Bos.adt.prof 5.2.0.30

    • U488993 Bos.rte.libc 5.2.0.30

    • APAR Number

      IY51752

    • Registered Product Name

      AIX 5L POWER V5

    • Reportedcomponent Identifier

      5765E6200

    • Message Sent

      520

    • Status

      PRO CLOSED

    • PE

      No PE

    • HIPER

      No HIPER

    • Submission Date

      11.12.2003

    • Closing Date

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      December 11, 2003

    • Last Custom Date

      2004-04-22

    At first rsh worked fine, but after a few changes it shows many errors [changes are listed at the end of this question, please note], I share the same.

      Poll: Method error in config 

    Faced with this problem, I followed this link and unfortunately did not receive any help.

    It works well enough, but if I make some changes to this link, I immediately get the above result. Now I am returning all the irregularities, but the capacity is the same. Why ?

    These are the lines I added to the files that appear on the right when looking at the link above.

      /etc/pam.d/login: session Required pam_limits.so/etc/pam.d/sshd: important routine pam_limits.so/etc/pam.d/su: meaningful session pam_limits.so/etc/pam.d/system-auth: Requires pam_lim lessonits.so 

    Here’s the link between what I should buy.

    strace -o log.txt rsh localhost pwd , many lines are printed to,

      connect (3, sa_family = AF_INET, sin_port = htons (514), sin_addr = inet_addr ("127.0.0.1"), 16) matches 0socket (PF_INET, IPPROTO_IP) sock_stream, = 4bind (4, sa_family = AF_INET, sin_port = htons (1022), sin_addr = inet_addr ("0.0.0.0"), 16) = 0hear (4, 1) = 0write (3, "1022  0", 5) = 5poll ([fd = 3, events = POLLIN, fd = 4, events = POLLIN], 2, -1) = 1 ([POLLERR])entry (2, "poll: protocol failure in chain" ..., 40) implies 40close (4) = 0close (3) is 0rt_sigprocmask (SIG_SETMASK, [], [URG], 8) is 0output_group (1) 
      execve ("/ usr / sbin / in.rshd", ["in.rshd"], [/ * 25 var * /]) = 0brk (0) 0x2b3054ec2000Mmap (NULL, = 4096, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -5, 0) = 0x2b303671d000uname (sys = "Linux", node = "jhamb.XXX.XXX", ...) matches 0access ("/etc/ld.so.preload", R_OK) = -1 ENOENT (no file or directory type)mmap (NULL, 4096, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0) -1, = 0x2b303671e000arch_prctl (ARCH_SET_FS, 0x2b303671e6d0) equals 0--- SIGSEGV (segmentation fault) @ 2 (0) ---+++ killed by SIGSEGV +++ 

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