diff --git a/01-TestCase/tsg_adc/multi_step/b-Deny_Dns_Tests.robot b/01-TestCase/tsg_adc/multi_step/b-Deny_Dns_Tests.robot
new file mode 100644
index 0000000..6ecc724
--- /dev/null
+++ b/01-TestCase/tsg_adc/multi_step/b-Deny_Dns_Tests.robot
@@ -0,0 +1,101 @@
+*** Settings ***
+Force Tags        tsg_adc_wp    security_policy    adc_verify
+Library           OperatingSystem
+Resource          ../../../02-Keyword/tsg_adc/SystemCommand.robot
+Resource          ../../../02-Keyword/tsg_bfapi/PolicyObject.robot
+Resource          ../../../02-Keyword/tsg_bfapi/LogVariable.robot
+Resource          ../../../02-Keyword/tsg_adc/FileOperation.robot
+
+*** Test Cases ***
+SecurityPolicy-Deny-Dns-00001
+    [Tags]    fqdn
+    Comment    功能端验证HTTP验证
+    ${commandstr}    run keyword if    '${systemType}'=='Windows'    set variable    nslookup -d www.facebook.com
+    ...    ELSE    set variable    nslookup www.facebook.com
+    ${stringlist}    run keyword if    '${systemType}'=='Windows'    Create List    超时
+    ...    ELSE    Create List    canonical name = www.facebook.com
+    ${starttime}    Get Time
+    Sleep    ${policyVerificationSleepSeconds}s
+    ${rescode}    SystemCommands    ${commandstr}    ${stringlist}
+    Sleep    ${policyLogVerificationSleepSeconds}s
+    ${endtime}    Get Time
+    insert_time_to_file1    deny_dns_starttime    ${starttime}    deny_dns_endtime    ${endtime}
+    Comment    功能端验证HTTP验证
+    ${commandstr}    run keyword if    '${systemType}'=='Windows'    set variable    nslookup -d ok.ru
+    ...    ELSE    set variable    nslookup ok.ru
+    ${stringlist}    run keyword if    '${systemType}'=='Windows'    Create List    超时
+    ...    ELSE    Create List    canonical name = ok.ru
+    ${starttime}    Get Time
+    Sleep    ${policyVerificationSleepSeconds}s
+    ${rescode}    SystemCommands    ${commandstr}    ${stringlist}
+    Sleep    ${policyLogVerificationSleepSeconds}s
+    ${endtime}    Get Time
+    insert_time_to_file1    deny_dns_starttime1    ${starttime}    deny_dns_endtime1    ${endtime}
+
+SecurityPolicy-Deny-Dns-00002
+    [Tags]    cat
+    Comment    功能端验证HTTP验证
+    ${commandstr}    run keyword if    '${systemType}'=='Windows'    set variable    nslookup -d www.yhd.com
+    ...    ELSE    set variable    nslookup -debug -query=A \ www.yhd.com
+    ${stringlist}    run keyword if    '${systemType}'=='Windows'    Create List    192.168.41.186    www.jd.com    ttl = 500
+    ...    ELSE    Create List    192.168.41.186    www.jd.com    ttl = 500
+    ${starttime}    Get Time
+    Sleep    ${policyVerificationSleepSeconds}s
+    ${rescode}    SystemCommands    ${commandstr}    ${stringlist}
+    Sleep    ${policyLogVerificationSleepSeconds}s
+    ${endtime}    Get Time
+    insert_time_to_file1    deny_dns_starttime2    ${starttime}    deny_dns_endtime2    ${endtime}
+    Comment    功能端验证HTTP验证
+    ${commandstr}    run keyword if    '${systemType}'=='Windows'    set variable    nslookup -d www.vk.com
+    ...    ELSE    set variable    nslookup -debug -query=A \ www.vk.com
+    ${stringlist}    run keyword if    '${systemType}'=='Windows'    Create List    192.168.41.186    www.jd.com    ttl = 500
+    ...    ELSE    Create List    192.168.41.186    www.jd.com    ttl = 500
+    ${starttime}    Get Time
+    Sleep    ${policyVerificationSleepSeconds}s
+    ${rescode}    SystemCommands    ${commandstr}    ${stringlist}
+    Sleep    ${policyLogVerificationSleepSeconds}s
+    ${endtime}    Get Time
+    insert_time_to_file1    deny_dns_starttime3    ${starttime}    deny_dns_endtime3    ${endtime}
+
+SecurityPolicy-Deny-Dns-00003
+    [Tags]    cat
+    Comment    功能端验证HTTP验证
+    ${commandstr}    run keyword if    '${systemType}'=='Windows'    set variable    nslookup -d ya.ru
+    ...    ELSE    set variable    nslookup -debug -query=AAAA ya.ru
+    ${stringlist}    run keyword if    '${systemType}'=='Windows'    Create List    fc00::2:11    www.taobao.com    ttl = 400
+    ...    ELSE    Create List    fc00::2:11    www.taobao.com    ttl = 400
+    ${starttime}    Get Time
+    Sleep    ${policyVerificationSleepSeconds}s
+    ${rescode}    SystemCommands    ${commandstr}    ${stringlist}
+    Sleep    ${policyLogVerificationSleepSeconds}s
+    ${endtime}    Get Time
+    insert_time_to_file1    deny_dns_starttime4    ${starttime}    deny_dns_endtime4    ${endtime}
+    Comment    功能端验证HTTP验证
+    ${commandstr}    run keyword if    '${systemType}'=='Windows'    set variable    nslookup -d ya.ru
+    ...    ELSE    set variable    nslookup -debug -query=AAAA ya.ru
+    ${stringlist}    run keyword if    '${systemType}'=='Windows'    Create List    fc00::2:11    www.taobao.com    ttl = 400
+    ...    ELSE    Create List    fc00::2:11    www.taobao.com    ttl = 400
+    ${starttime}    Get Time
+    Sleep    ${policyVerificationSleepSeconds}s
+    ${rescode}    SystemCommands    ${commandstr}    ${stringlist}
+    Sleep    ${policyLogVerificationSleepSeconds}s
+    ${endtime}    Get Time
+    insert_time_to_file1    deny_dns_starttime5    ${starttime}    deny_dns_endtime5    ${endtime}
+
+SecurityPolicy-Deny-Dns-00004
+    [Tags]    最大重定向
+    Comment    功能端验证HTTP验证
+    ${commandstr}    run keyword if    '${systemType}'=='Windows'    set variable    nslookup -d www.youtube.com
+    ...    ELSE    set variable    nslookup -debug -query=A www.youtube.com
+    ${stringlist}    run keyword if    '${systemType}'=='Windows'    Create List    192.168.40.110    www.facebook.com    ttl = 400    www.ok.ru    fc00::2:22
+    ...    ELSE    Create List    192.168.40.110    www.ok.ru    ttl = 400
+    ${commandstr}    run keyword if    '${systemType}'=='Windows'    set variable    nslookup -d www.youtube.com
+    ...    ELSE    set variable    nslookup -debug -query=AAAA www.youtube.com
+    ${stringlist}    run keyword if    '${systemType}'=='Windows'    Create List    fc00::2:22    www.facebook.com    ttl = 400    www.ok.ru    192.168.40.110
+    ...    ELSE    Create List    ttl = 400    www.facebook.com    fc00::2:22
+    ${starttime}    Get Time
+    Sleep    ${policyVerificationSleepSeconds}s
+    ${rescode}    SystemCommands    ${commandstr}    ${stringlist}
+    Sleep    ${policyLogVerificationSleepSeconds}s
+    ${endtime}    Get Time
+    insert_time_to_file1    deny_dns_starttime6    ${starttime}    deny_dns_endtime6    ${endtime}