Scan ip

Author: p | 2025-04-25

SCAN VIP: SCAN NAME resolves to one or more than one IP addresses, these IP address are called as SCAN VIP or SCAN IP. Each Scan VIP has a SCAN Listener generated corresponding to it. If there is one SCAN IP one SCAN Listener will be generated, if there are three SCAN IP's three SCAN Listeners will be generated. link scanner is a bot to scan links and IP addresses: /scan link: will scan a link for viruses, IP loggers, malicious files, redirects, rickroll and outside links /scan ip: will scan an IP address to

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In a real time environment,we usually rarely perform the activity of changing the scan IP address or SCANname and if somehow if we’ve to do it due to the changes of the SCAN IP in DNSserver then we also have to update the SCAN IP with new IP address because thechanges that the network administrator done at DNS server level will not get propagatedautomatically to clusterware. OLD SCAN IP NEW SCAN IP 192.168.10.58 192.168.10.59 192.168.10.560 192.168.10.101 192.168.10.102 192.168.10.103 STEP 1: check the current configuration of scan-bash-4.2$ srvctl config scanSCAN name: oratest-scan, Network: 1Subnet IPv4: 192.168.10.0/255.255.255.0/enp0s3, staticSubnet IPv6: SCAN 1 IPv4 VIP: 192.168.10.58SCAN VIP is enabled.SCAN 2 IPv4 VIP: 192.168.10.59SCAN VIP is enabled.SCAN 3 IPv4 VIP: 192.168.10.60SCAN VIP is enabled.STEP 2: Validate the change IP address first using nslookupand also check whether it’s moving in round-robin fashion or not.STEP 3: After changes done at DNS server, execute nslookupcommand and validate whether it start giving new IP information by and if yes then stop the scan listener and scan.NOTE:(1) Stop scanand scan listener can be done using srvctl command however it’s a best practiceto stop it using root user while changing SCAP IP.(2) Stop scanlistener first and then scan otherwise cluster will try to relocate the scanlistener due to which you’ll start getting error(3) Please set the blackout first prior to stop the scan and scan listener in order to prevent the unnecessary alert.STEP 4: Modify the SCAN VIP with the new IP address from DNSServer.NOTE: Since SCAN IP information store inside

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SCAN NAME concept was introduced in Oracle 11g and it's still unsolved mystery for few of the Database Administrators. The main purpose for using SCAN NAME was to remove each Cluster Node entry from Tnsnames.ora file from client machine and to make it more dynamic. Though, Oracle successfully achieve his goal but make it complicated for newbies or sometimes for experienced DBA's as well. Each term SCAN NAME, SCAN VIP, SCAN Listener, Node VIP, Local_Listener and Remote_Listener has its own meaning and role to play in RAC environment.In this post, I will explain meaning and use of each of above discussed Terms. Let's Start with SCAN NAME.SCAN NAME: SCAN NAME was introduced in Oracle 11g R2 version. This a name which can resolve upto maximum three IP address and minimum one is required for Oracle 11g R2 Real Application Cluster installation. SCAN NAME must be unique in Entire Organization network, This name is used in Tnsname.ora file of client system, all database connection are made thorugh this name. DBA can use below commands to file SCAN NAME details.[oracle@database bin]$ srvctl config scanSCAN name: orarac-scan, Network: 1/10.141.132.0/255.255.254.0/eth8SCAN VIP name: scan1, IP: /orarac-scan/10.191.111.57SCAN VIP name: scan2, IP: /orarac-scan/10.191.111.55SCAN VIP name: scan3, IP: /orarac-scan/10.191.111.56[oracle@database bin]$ nslookup orarac-scanServer: 111.12.128.13Address: 111.12.128.13#53Name: orarac-scan.oracle.comAddress: 10.191.111.55Name: orarac-scan.oracle.comAddress: 10.191.111.56Name: orarac-scan.oracle.comAddress: 10.191.111.57SCAN VIP: SCAN NAME resolves to one or more than one IP addresses, these IP address are called as SCAN VIP or SCAN IP. Each Scan VIP has a SCAN Listener generated corresponding to it. If there is one SCAN IP one SCAN Listener will be generated, if there are three SCAN IP's three SCAN Listeners will be generated. These SCAN Listener runs on any of three nodes on the RAC environment or it could be two SCAN Listener on one node if there are three SCAN Listener and

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1.1 Date Released: Dec 7, 2015 Status: Major Update Software: SterJo Fast IP Scanner 1.0 Date Released: May 20, 2015 Status: New Release Most popular 1000 in Network Monitoring downloads for Vista SterJo Fast IP Scanner 1.1 download by SterJo Software ... Currently the software is capable to scan over 1000 IP addresses in less than 30 seconds. If this sound to you like an exaggeration, then download and try this free ... type: Freeware categories: ip scanner, free ip scanner, ip address scanner, portable scanner, ipscanner, ip scan, fast scanner, network scanner, ipscan, ping ip address, ip address search, ping ip range View Details Download IP Tools for Excel 3.6.2.36514.10 download by Productive Solutions Inc. ... before 192.168.45.54 - Output directly in Excel with 1000's of output and format options - Set output to ANY cell Comments Cell Shading Text Color - Subnet Calculator - IPAM ... type: Shareware ($39.95) categories: Excel, Microsoft Excel, SSL Certificate Check, tcp port open, Ping, scan, performance, DNS, Lookup, Traceroute, tracert, IP address, sort, ssh, telnet, rdp, http, https, ping sweep, subnet calculator, IPAM View Details Download. SCAN VIP: SCAN NAME resolves to one or more than one IP addresses, these IP address are called as SCAN VIP or SCAN IP. Each Scan VIP has a SCAN Listener generated corresponding to it. If there is one SCAN IP one SCAN Listener will be generated, if there are three SCAN IP's three SCAN Listeners will be generated.

Scanning with an IP Range scanning target

Naabu is a powerful port scanning utility designed in the Go programming language, enabling fast and efficient port enumeration. Designed to swiftly detect valid ports on various hosts, this tool is optimized to perform SYN, CONNECT, and UDP scans. With its comprehensive feature set, Naabu not only lists ports that offer a reply but is also capable of Host Discovery, IPv4/IPv6 scanning, DNS port scanning, and even integrating seamlessly with Nmap for service discovery. It boasts versatility in its input, allowing users to scan based on STDIN, CIDR, ASN, and IP, while also offering a range of output formats. Lightweight on resources and user-friendly, Naabu has become an indispensable asset for cybersecurity professionals and network administrators alike.FeaturesFast And Simple SYN/CONNECT/UDP probe-based scanningOptimized for ease of use and lightweight on resourcesDNS Port scanAutomatic IP Deduplication for DNS port scanIPv4/IPv6 Port scan (experimental)Passive Port enumeration using Shodan InternetDBHost Discovery scan (experimental)NMAP integration for service discoveryMultiple input support: STDIN/HOST/IP/CIDR/ASNMultiple output format support: JSON, TXT, and STDOUTUsagenaabu -hThis will display help for the tool. Here are all the switches it supports:Usage: ./naabu [flags]INPUT: -host string[] hosts to scan ports for (comma-separated) -list, -l string list of hosts to scan ports (file) -exclude-hosts, -eh string hosts to exclude from the scan (comma-separated) -exclude-file, -ef string list of hosts to exclude from scan (file)PORT: -port, -p string ports to scan (80,443, 100-200) -top-ports, -tp string top ports to scan (default 100) [full,100,1000] -exclude-ports, -ep string ports to exclude from scan (comma-separated) -ports-file, -pf string list of ports to scan (file) -port-threshold, -pts int port threshold to skip port scan for the host -exclude-cdn, -ec skip full port scans for CDN/WAF (only scan for port 80,443) -display-cdn, -cdn display cdn in useRATE-LIMIT: -c int general internal worker threads (default 25) -rate int packets to send per second (default 1000)UPDATE: -up, -update update naabu to latest version -duc, -disable-update-check disable automatic naabu update checkOUTPUT: -o, -output string file to write output to (optional) -json write output in JSON lines format -csv write output in csv formatCONFIGURATION: -scan-all-ips, -sa scan all the IP's associated with DNS record -ip-version, -iv string[] ip version to scan of hostname (4,6) - (default 4) -scan-type, -s string type of port scan (SYN/CONNECT) (default "s") -source-ip string source ip and port (x.x.x.x:yyy) -interface-list, -il list available interfaces and public ip -interface, -i string network Interface to use for port scan -nmap invoke nmap scan

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Sx is the command-line network scanner designed to follow the UNIX philosophy.The goal of this project is to create the fastest network scanner with clean and simple code.Features⚡ 30x times faster than nmapARP scan: Scan your local networks to detect live devicesICMP scan: Use advanced ICMP scanning techniques to detect live hosts and firewall rulesTCP SYN scan: Traditional half-open scan to find open TCP portsTCP FIN / NULL / Xmas scans: Scan techniques to bypass some firewall rulesCustom TCP scans with any TCP flags: Send whatever exotic packets you want and get a result with all the TCP flags set in the reply packetUDP scan: Scan UDP ports and get full ICMP replies to detect open ports or firewall rulesApplication scans:SOCKS5 scan: Detect live SOCKS5 proxies by scanning ip range or list of ip/port pairs from a fileDocker scan: Detect open Docker daemons listening on TCP ports and get information about the docker nodeElasticsearch scan: Detect open Elasticsearch nodes and pull out cluster information with all index namesRandomized iteration over IP addresses using finite cyclic multiplicative groupsJSON output support: sx is designed specifically for convenient automatic processing of resultsInstallThe simplest way is to download from GitHub Releases and place the executable file in your PATH.Build From SourceRequirements:Go 1.15 or newerlibpcap (already installed if you use wireshark)From the root of the source tree, run:go buildQuick StartHere’s a quick examples showing how you can scan networks with sx.ARP scanScan your local network and display the IP address, MAC address and associated hardware vendor of connected devices:sx arp 192.168.0.1/24sample output:192.168.0.1 b0:be:76:40:05:8d TP-LINK TECHNOLOGIES CO.,LTD.192.168.0.111 80:c5:f2:0b:02:e3 AzureWave Technology Inc.192.168.0.171 88:53:95:2d:3c:af Apple, Inc.with JSON output:sx arp –json 192.168.0.1/24sample output:{“ip”:”192.168.0.1″,”mac”:”b0:be:76:40:05:8d”,”vendor”:”TP-LINK TECHNOLOGIES CO.,LTD.”}{“ip”:”192.168.0.111″,”mac”:”80:c5:f2:0b:02:e3″,”vendor”:”AzureWave Technology Inc.”}{“ip”:”192.168.0.171″,”mac”:”88:53:95:2d:3c:af”,”vendor”:”Apple, Inc.”}wait 5 seconds before exiting to receive delayed reply packets, by default sx waits 300 milliseconds:sx arp –exit-delay 5s 192.168.0.1/24Live scan mode that rescans network every 10 seconds:sx arp 192.168.0.1/24 –live 10sTCP scanUnlike nmap and other scanners that implicitly perform ARP requests to resolve IP addresses to MAC addresses before the actual scan, sx explicitly uses the ARP cache concept. ARP cache file is a simple text file containing JSON string on each line (JSONL file), which has the same JSON fields as the ARP scan JSON output described above. Scans of higher-level protocols like TCP and UDP read the ARP cache file from the stdin and then start the actual scan.This not only simplifies the design of the program, but also speeds up the scanning process, since it is not necessary to perform an ARP scan every time.Let’s assume that the actual ARP cache is in the arp.cache file. We can create it manually or use ARP scan as shown below:sx arp 192.168.0.1/24 –json | tee arp.cacheOnce we have the ARP cache file, we can run scans of higher-level protocols like TCP SYN scan:cat arp.cache | sx tcp -p 1-65535 192.168.0.171sample output:192.168.0.171 22192.168.0.171 443In this case we find out that ports 22 and 443 are open.scan with JSON output:cat arp.cache | sx tcp –json -p 1-65535 192.168.0.171sample output:{“scan”:”tcpsyn”,”ip”:”192.168.0.171″,”port”:22}{“scan”:”tcpsyn”,”ip”:”192.168.0.171″,”port”:443}scan multiple port ranges:cat

Scan name, Scan IP/ScanVIP, node VIP, Node IP, Scan listener

Targets can be IP addresses, hostnames, IP ranges, CIDR notation, or a combination of theseNow, let’s explore common options available with the nmap command:OptionsDescription-snconducts a ping scan to discover available hosts-pconducts scan on specific port on the network-Aenables OS detection, version detection, script scanning, and traceroute-Oenables OS detection-Fenables fast port scanning-vincreases verbosity level-oNprovides output to scan in a text file-sVprobes open ports to determine service/version information-iLreads and scans files containing IP addresses and host namesWith these numerous options, we can use the nmap tool to conduct scans, discovering open ports, services, hosts, and vulnerabilities in a network.4. Common nmap Command ExamplesLet’s explore practical examples of using the nmap command with various options. In particular, for these examples, we can use www.example.com and scanme.nmap.org as the target.4.1. Scanning a Single Host or IP AddressWe can use the nmap command to scan a single host or IP address. What this basic command does is provide information about the available services and open ports in the target.Now, for example, let’s use nmap to scan the hostname:$ nmap example.comStarting Nmap 7.94SVN ( ) at 2024-04-24 13:48 EDTNmap scan report for example.com (93.184.215.14)Host is up (0.18s latency)....Overall, the scan results provide valuable information about the services running on the target system associated with the domain. Furthermore, the open ports show the presence of web services, email services, and others. On the other hand, the filtered ports indicate that a firewall configuration is present.4.2. Scanning a Particular IP RangeThe nmap command can be used to get information about an entire subnet. We can achieve this by specifying the IP address and adding the CIDR notation to it.For example, let’s see how nmap scans an entire subnet:$ nmap 45.33.32.0/20 Starting Nmap 7.94SVN ( ) at 2024-04-24 14:28 EDTNmap done: 4096 IP addresses (0 hosts up) scanned in. SCAN VIP: SCAN NAME resolves to one or more than one IP addresses, these IP address are called as SCAN VIP or SCAN IP. Each Scan VIP has a SCAN Listener generated corresponding to it. If there is one SCAN IP one SCAN Listener will be generated, if there are three SCAN IP's three SCAN Listeners will be generated. link scanner is a bot to scan links and IP addresses: /scan link: will scan a link for viruses, IP loggers, malicious files, redirects, rickroll and outside links /scan ip: will scan an IP address to