Dynamically changing ACLs

Hi!
I've got a question concerning the IPS module.
How is it possible for the IPS to dynamically change any of the existing ACLs on the firewall module in case of an attack e.g.?
The reason i ask is, because there seems no possibilty for me to script any commands on a linux pc and then execute them remotely on the FWSM like i can do it on a Router via rsh.
So if a user can't execute any command remotely on the FWSM, how can the IPS do it when it has to change an ACL on the FWSM?
Thanks.

An IPS sensor will log into a FWSM and put in and take down host blocks when it shuns a host. If you set the IPS to telnet for it's connection to the FWSM, you can capture the session (Ethereal has a wonderful "follow TCP session" for seeing this) and see the exact commands and logic employed. There is no reason you can not script a telnet or ssh session from your linux host to change host blocks. However, if you have more than one device doing this, you can get into some problems. The IPS sensor assumes it is the only blocking device and will clear all blocks that it didn't create.

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  • Dynamic change the ALV layout

    Alle experts:
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    Try to call fieldcatlog dymnamically. Refer tofollowing code. Reward if helpful.
    REPORT  zfir0001 MESSAGE-ID ztax.
                               Tables
    TABLES : glt0, t001, skat.
                          Internal Tables
    DATA: BEGIN OF itab OCCURS 0,
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            txt20               LIKE   skat-txt20,    "G/L account short text
            co_1000          LIKE     glt0-hslvt,     "Balance carried forward for company code 1000
            co_1100          LIKE     glt0-hslvt,     "Balance carried forward for company code 1100
            co_1200          LIKE     glt0-hslvt,     "Balance carried forward for company code 1200
    DATA : BEGIN OF itab1 OCCURS 0,
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             waers LIKE t001-waers,
           END OF itab1.
    DATA : BEGIN OF it_itab1 OCCURS 0.
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    DATA : END OF it_itab1.
                          Data Declarations
    DATA : w_total   LIKE glt0-hslvt,
           w_count   LIKE glt0-bukrs,
           w_flg     TYPE c,
           lv_count  TYPE i.
          w_slash   TYPE c VALUE ' '.
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    SELECT-OPTIONS : s_bukrs FOR glt0-bukrs OBLIGATORY,
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    SELECTION-SCREEN END OF BLOCK b1.
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        DO.
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            EXIT.
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            w_count =  w_count + 1.
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          IF sy-subrc = 0.
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            APPEND itab1.
            CLEAR itab1.
          ENDIF.
        ENDDO.
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      ENDIF.
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              AND   bukrs   IN s_bukrs
              AND   ryear   IN s_ryear
              AND   racct   IN s_racct.
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      LOOP AT it_itab1.
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          w_flg = 'X'.
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        SELECT SINGLE txt20 INTO (itab-txt20) FROM skat
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        PACK it_itab1-racct TO it_itab1-racct.
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        w_total = it_itab1-hsl01 + it_itab1-hsl02 + it_itab1-hsl03 + it_itab1-hsl04 +
                  it_itab1-hsl05 + it_itab1-hsl06 + it_itab1-hsl07 + it_itab1-hsl08 +
                  it_itab1-hsl09 + it_itab1-hsl10 + it_itab1-hsl11 + it_itab1-hsl12 +
                  w_total        + it_itab1-hslvt.
        IF w_flg = 'X'.
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          IF sy-subrc = 0.
            SELECT SINGLE * FROM t001
                WHERE bukrs = itab1-bukrs.
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            ENDIF.
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              WHEN '1000'.
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              WHEN '1100'.
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              WHEN '1200'.
                itab-co_1200 = w_total.
            ENDCASE.
            COLLECT itab.
            CLEAR: itab, w_flg, w_total.
          ENDIF.
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      ENDLOOP.
      SORT itab BY racct.
      IF NOT itab[] IS INITIAL.
        PERFORM field_cat1.
        lv_count = 1.
        LOOP AT itab1.
          PERFORM field_cat USING itab1-bukrs.
        ENDLOOP.
        PERFORM display_alv_report .
      ELSE.
        MESSAGE s000 WITH 'No records Found'(003).
      ENDIF.
    *&      Form  display_alv_report
          text
    FORM display_alv_report .
      gd_repid = sy-repid.
      CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
        EXPORTING
          i_callback_program = gd_repid
          is_layout          = gd_layout
          it_fieldcat        = i_fieldcat[]
          i_save             = 'X'
        TABLES
          t_outtab           = itab
        EXCEPTIONS
          program_error      = 1
          OTHERS             = 2.
    ENDFORM.                    "display_alv_report
    *&      Form  field_cat1
          text
    FORM field_cat1 .
      i_fieldcat-col_pos     =  0.
      i_fieldcat-fieldname   = 'RACCT'.
      i_fieldcat-seltext_m    = 'Account'(001).
      i_fieldcat-fix_column = 'X'.
    i_fieldcat-emphasize   = 'X'.
      APPEND  i_fieldcat TO i_fieldcat.
      CLEAR  i_fieldcat.
      i_fieldcat-col_pos     =  1.
      i_fieldcat-fieldname   = 'TXT20'.
      i_fieldcat-seltext_m    = 'Description'(002).
      APPEND  i_fieldcat TO i_fieldcat.
      CLEAR  i_fieldcat.
    ENDFORM.                                                    "field_cat1
    *&      Form  field_cat
          text
         -->XV_BURKS   text
    FORM field_cat USING xv_burks TYPE char4.
      lv_count = lv_count + 1.
      i_fieldcat-col_pos     = lv_count.
      CONCATENATE 'CO_' xv_burks INTO i_fieldcat-fieldname.
      i_fieldcat-seltext_m    = xv_burks.
    i_fieldcat-just = 'C'.
    i_fieldcat-no_zero = 'X'.
    i_fieldcat-do_sum = 'X'.
      APPEND  i_fieldcat TO i_fieldcat.
      CLEAR  i_fieldcat.
    ENDFORM.   "field_cat
    Edited by: dhanashree wadkar on Apr 30, 2008 6:00 AM

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    ]]>
    </mx:Script>
    </mx:Application>[/CODE]
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    “backgroundColor” of the gridRow in this way:
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    enterpriseDB_new enterpriseDB_new.mxml
    line 721 1194443056449 19295[/CODE]
    can anyone help / advise me on how I can dynamically change the
    colour of my grid row depending on a value coming from my XML
    DataProvider????
    Thanks,
    Jon.

    quote:
    Originally posted by:
    ljonny18
    Hi,
    I am using a grid within a component in my Flex application.
    I have an XML dataProvider, and I want to change the row
    colour of my Grid depending on a value coming form my dataProvider
    – but I cant seem to get this to work :(
    can anyone help / advise me on how I can dynamically change the
    colour of my grid row depending on a value coming from my XML
    DataProvider????
    Thanks,
    Jon.
    Hi,
    a few hours ago I stumbled across this cookbook entry - it
    didn't solve MY problem, but maybe it provides a way to solve your
    problem?
    http://www.adobe.com/cfusion/communityengine/index.cfm?event=showdetails&postId=61&product Id=2&loc=en_US
    From the article:
    quote:
    Changing the background color of a DataGrid cell is not as
    simple as changing some style because the default renderer for a
    DataGrid cell does not have a backgroundColor. Therefore, to do
    this simple task, you have to create a custom itemRenderer where
    you draw your own background in the updateDisplayList function.
    HTH
    Uwe

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